433Mhz Button Smart Receiver Doorbell [S220]

433Mhz Button Smart Receiver Doorbell [S220]

https://www.youtube.com/watch?v=7UodgqnMTwM

* Specs

Feature:

Wireless design,  Max. operating range can up to 120 meter in open area

Click Button Transmitter design, lifespan can up to 100,000 Clicks

1 million sets of auto-learning codes to avoid interference between doorbells

Transmitter/Bell Push is with IP44 waterproof, and with Flat Panel design, dust-proof, clean and convenient for using

Energy saving, plug-in Receiver working power consumption is less than 5W

Music and volume are adjustable, comes with 32 chimes, 36 Polyphonic melodies

The 12V 23A Battery is Included

Specification:

Application: Suitable for villas, apartments, office, hotel, hospital and so on

Power Supply (Receiver): AC 110~220V

The plug is US EU standard.

Power Supply (Transmitter): 2V 23A Battery( Included)

Operating Range: 120 meters / 393ft (OPEN AREA)

Sound Options: 32 chimes, 36 Polyphonic melodie

Package included: ( with original retail box )  

1* main doorbell(only has EU US plug )

2* button (with battery ) 

2* Double-sided Adhesive

4* Screw 

1* English user manual