Kebidumei 30 Music 150M Wireless Doorbell Waterproof Remote Controller USB Smart Door Bell Receiver Single Button Remote

Operating frequency: 433.92MHz
Battery type: button battery 2016 * 3
Modulation mode: ASK
Encoding format: EV1527
Shell material: ABS
Product size: 45 * 45 * 14mm/1.7*1.7*0.5in (including housing)
Net weight of product: 11g (including shell and battery)
Working voltage: DC9V
Quiescent current: 0.1uA
Emission current: 20mA
Transmission power:+10-13dBm
Working temperature: - 20-70 ℃