RKZDSR Wireless Doorbell 1 Button 1Receiver Wide Range Remote Control Smart Home Wireless Doorbell

Wireless Doorbell 1 Button 1Receiver Wide Range Remote Control Smart Home Wireless Doorbell
Features:
touch] doorbell button doorbell button level is up to IP66,you can put it on the outdoor wall .And low power consumption, it can use about one year if press average 10 times a day.
58 ringtones for your option,you can select regularly,and don't feel bored.Avoid the same ring with the neighbors.
Strong signal ,150m long Transmission. Long operating range can be up to 500ft(150m) in open space, great for large house including villas, apartment, offices, shops, warehouses, etc].
4 levels] volume. You can turn down the doorbell when you need quiet at home to prevent] noise, and turn it up when it is noisy to prevent] inaudibility.
Doorbell, alarm, welcome alarm . Easy to install. Just plug the receiver into power socket and attach the transmitter on door,you don't even necessarily have to make holes or damage anything.
Product Description:
Product Name：Wireless Doorbell
Operating voltage AC 100-240V
Operating current < 100
Radio frequency: 433 MHz
Operating temperature: -10-50 degrees Celsius
Wireless distance: 150 meters (open area)
Frequency: 433 MHz
Operating Current: 8~15mA
Operating Temperature:-10℃~50℃; Humidity:not more than 90
Battery:23A 12V (battery not included)
Transmitting distance:< 80 meters
Size:3.66*2.32*1.1*1.77*2.83*0.7in
Weight:0.22lb
Included:
1x Doorbell
1x Keypad