Wireless AC Doorbell with Push Button Smart Ding Dong Doorbell

Features: *Smart wireless Ding Dong doorbell,full-digital frequency modulation technology,never code stringing. *28 chord ringtones to choose from and 3-step volume adjustable,eye-catching LED light flashes when someone pushes the doorbell,perfectly suitable for the elderly,deaf and pregnant women. *Ultra-low power consumption design,power saving and lasting.With ABS material and high brightness in surface,a beautiful and fashionable doorbell for your house decoration. *Ultra-long distance control,strong penetration and stable signal. *Simple & easy to operate,perfectly fit for apartment,villas,home,hospital and many other needed places. Specifications: Receiver Voltage:AC 110-240V Transmitter Voltage:DC12V 23A Operating frequency:433MHz Volume:25-110dB(3-step volume adjustable) Ringtones:28 options Transmitter Battery:1*12V 23A(included) Power consumption:0.1W Color:Black Material:ABS Quantity:1*Receiver&1*Transceiver Transmitter size:7.5*4.5*2cm Receiver size:9.2*6*3cm Package Information: Package Size: Approach.11*8.4*8.1cm/4.33*3.31*3.19in Package Weight: Approach.160g/5.64oz Package List: 1*US Receiver 1*Transmitter 1* Bag of Mounting Screws 1* Tape 1*User Manual(English)