1.Button is Waterproof,Don't worry about extended use
2.3-Year Battery Life
3.Ultra-long Transmission Distance
4.Easy to install with the double side adhesive tape or the screws.
IP55 dustproof and waterproof
Works between -4 °F to 140 °F; withstands various harsh weather conditions
Ultra Long Operating Range
Operating range up to 500ft / 150m in an open area, ensures you hear and answer the doorbell in time. You will never miss a visitor even if you are a few rooms away or on another floor.
Ultra-low power consumption; uses a CR2032 lithium battery that boasts 3-year maximum lifespan
F15 Use CR2032 (Battery include-3-Year Battery Life), Press To Trigger , IP65 Waterproof Rating
F52 Use 23V 12A (Battery include-4-Year Battery Life), Touch To Trigger ,IP66 Waterproof Rating
32 Ringtones and 4 Adjustable Volumes
The wireless doorbell offers a wide selection of 32 melodies and 4 volume levels to meet your needs for different occasions. Flashing lights with audio alert indicators is easy for people including the hearing impaired to notice.
Easy to install
Just plug the receiver into a power socket and attach the transmitter to the door, you don`t even necessarily have to make holes or damage anything.
Already paired before factory and different transmitters can be set to different tunes. Expandable up to 20 accessories
1. Working Voltage: AC 100-240V 2. Working Current: < 100 mA 3. Wireless Frequency: 433 MHz 4. Working Temperature: -10-50 degrees centigrade 5. Wireless Distance: 150 meters (Open area)
Frequency: 433Mhz Operation Current:8~15mA Quiescent Current:3uA Operation Temp:-10C~50C;Humidity :no more than 90%