Specification:
Item Type: Wireless Door Bell
Material: ABS
Size: Approx. 78 x 45 x 30mm/3.1 x 1.8 x 1.2in
Operating Voltage: DC 3V
Power Supply: 1 x CR2450 button battery (battery included)
Operating Current: 9 - 12mA
Working Frequency: 433MHz
Transmission Power: 10 - 15MW
Launch Range: Approx. 150m/164.0yd(empty)
Coding Chip: EV1527 (learning code)
Shock Resistance: 330K
Number of Keys: 1 Key
Modulation Mode: ASK
Static Current: 0uA
Features:
1With comfortable feel, touch the doorbell button to send a signal to the doorbell host, need to be used with the host (not include host). 224 hours safe guard, emergency call, need to be used with the host (not include host), every hour to take care of the family, calmly respond to emergencies. 3Doorbell can be placed everywhere, no wiring, plug and play. Switch between normal mode and fixed mode at will. 4Multipurpose (to be used with the host (not include host)). An emergency caller suitable for the elderly, children, and pregnant women. Just press the doorbell to inform your family. 5Need to be used with the host (not include host), by connecting to the host, when an accident occurs, you can press the button to notify, can also be set to use as a doorbell.
Package List:
1 x Doorbell Button