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Description
Wireless Infrared Sensor Split Supermarket Welcome Doorbell1. Material: durable ABS housing 2. Sensors: infrared (detects human presence and issues an alert), Vibration (detects ambient vibration and issues an alert), door sensor (alerts when the main units magnetic strip separates, triggered by pushing a door open, particularly suitable for shops with frequently closed glass doors) 3. Main unit requires three AA batteries USB 5. 0V power adapter; sensor requires three AAA batteries USB 5. 0V power adapter
1. Material: durable ABS housing
2. Sensors: infrared (detects human presence and issues an alert), Vibration (detects ambient vibration and issues an alert), door sensor (alerts when the main units magnetic strip separates, triggered by pushing a door open, particularly suitable for shops with frequently closed glass doors)
3. Main unit requires three AA batteries/USB 5.0V power adapter; sensor requires three AAA batteries/USB 5.0V power adapter (batteries not included)
4. Transmitter and receiver frequency: 433MHz (less interference than 315MHz)
5. Receiver battery life: 5-7 months (based on 30 beeps per day)
6. Infrared curtain battery life: 5-7 months (based on 30 detections per day)
7. When customers pass through the detection zone, the receiving unit emits a welcoming tone, creating a friendly shopping environment and alerting store staff.
8. After closing time, the alarm can be used as a burglar alarm with a high-volume speaker, reaching up to 113dB.
9. Custom 8-chord music chip, 40mm large speaker for more pleasant sound, 36 doorbell tones, change at will.
10. Colored light reminder mode is ideal for quiet environments like offices, with adjustable brightness. The night light illuminates the main unit for two minutes after the probe is triggered, making it safer to wake up at night.
11. Horizontal detection angle of 100 degrees, vertical detection angle of 15 degrees, sensing range: 2-8 meters (the range is shorter in higher summer temperatures and varies depending on the installation angle).
12. Long signal transmission distance: the receiver has a built-in wireless loop antenna, with a range of up to 280 meters in open areas.
13. Receiver: 70x40x116mm
14. Infrared curtain: 82x45x74mm
15. Note: this device is intended for indoor use. do not install it in direct sunlight or rain (such as outside tents). to avoid false alarms, avoid areas with high humidity fluctuations and interference, such as air conditioning vents, fans, and air outlets.
16. Item list: color box x1, receiver x1, infrared curtain x1, double-sided tape x1, screws x2, instruction manual x1
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Excellent sound and function
Set name: 5.1 Receiver
We're very pleased with this unit. We use a 3.1 system in our TV area, stereo plus center channel and subwoofer. It's nice that this unit supports that. We get very nice imaging from this, and don't really miss the surround speakers.
**We had to replace the old HDMI cables with new ones that could handle the larger bandwidth of 4K. If you're cables are 5-10 years old like ours, newer cables are required to carry a modern video signal.
We like the Yamaha sound, and are able to EQ it easily to sound right for the room. I've used several receivers over the years of various brands. Yamaha consistently delivers good sound and reliable product. I've never had a Yamaha product fail and fewer than 15 years.
There are other units out there with more gadgets and gizmos, bills and whistles, not to mention smoke and mirrors. We want a good sounding reliable unit that plays nice with all of our AV sources and TVs. If that's what you're looking for, look no further than this unit right here.
If you get a good price on this, it's unbeatable.
Sony, Onkyo, Denon, Marantz, etc. - they all make good units with signature sounds. If you aren't familiar with them, and If you can't listen to a bunch of stuff, buy this with confidence.
Here's an unsolicited recommendation: high quality speakers will do more to improve your listening experience than any receiver. If you're looking for an upgrade, start with your front speakers.
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Reviewed in the United States on November 15, 2024
★★★★★ 5
Love my Yamahas
Set name: 5.1 Receiver
RX 385 replaces my much-loved 10 year old RX 375, which I inadvertently fried while experimenting.
The 385 has some newer features, including bluetooth. The old model and this both use the handy YPAO function to tune the audio speakers' depth of field to the listening environment. It's a broadcast mic that you just plug into the front of the receiver for a few seconds to determine each speakers' distance from viewer. Kind of a sonic echo measurement of seating to speaker. It's a foolproof, remarkably clever, timesaving gizmo. The YPAO mic is absolutely included with this unit, looks like a little plastic cone.
Also important to me, Yamaha has replaced the old spring clips for rear/side speakers, which are now the better screw and cap posts, as they have always been for the two front speakers.
I recommend rocketfish HDMI 4k/8k cables to connect this receiver to your tv and to whatever other components you want, such as a bluray. Sound quality is excellent if your speakers are good. (I like KEFs.)
Of course you may prefer wireless speakers, but I'm already committed to wired ones. I used rocktfish banana plugs to connect my speaker wires to the RX 385 receiver's speaker posts. Neat and clean.
With a choice of 2 front, 2 rear, 1 center speaker, plus one coaxial plug in for a subwoofer, your movies and programs are going to sound far more detailed and staged than you'd get from the tv or a sound bar. It's a more immersive and compelling experience. (I use only 2 fronts and 2 rears and don't feel I'm missing anything.)
Yamaha receivers and other components are my favorites: relatively inexpensive, well designed, solidly built, and not fussy to install. If you find yourself in a pickle there are a couple of helpful youtube videos.
I find with the RX385 again that Yamaha does not disappoint me.
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Reviewed in the United States on April 18, 2023
★★★★★ 5
Great unit
Set name: 5.1 Receiver
Works great, was worried about having my hdmi run through it thinking id have to use it all the time but leaving it off the signal still goiles through to the TV. Very rleasy to hook up and very easy to use.
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Outstand Product!! 😉
Color: 14AWG-1 Lead
This is my second (at least) Nilight wiring harness. I wanted to re-do the lights on my Rhino 660. This makes it SO EASY! 👍🏼😉 And a hell-of-a-deal!! All I had to get was a "reamer" drill bit to enlarge the switch holes on my dash. Run the wire, attach the ends to the light, switch & power source, all done. I did add "shrink tubing" to my connections to add an extra layer of insulation/weatherproofing. 👍🏼
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Reviewed in the United States on November 16, 2025
★★★★★ 5
Definitely a good buy very professional craftsmanship
Color: 14AWG-1 Lead
As a retired master technician for Honda and all makes and models of automobiles this harness is a cut above the others is put together immaculately and anyone that can put a wire through the firewall I purchased my light bar to harbor freight 22 in great lighting but their harness kit was 56 bucks I paid under 24 this and it looked identical except the switch on this is actually much more appealing cosmetically and works well functionally just had to drill a hole in one of the blanks 4 switches in my truck made it fit perfect and has worked flawlessly since I put it in a couple weeks agodefinitely do your homework sometimes I find great deals at harbor freight that nobody can touch on Amazon but then other times vice versa Amazon has a great product at a great price compared to harbor freight in other retailers
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Reviewed in the United States on February 22, 2020