X9 Smart Wireless Doorbell Visual Wifi Color:White Ding dong: Supports RF 433MHZ

Ding dong: Supports RF 433MHZ ding dong

Signal to noise ratio: 80dB

chamomile extract that help promote calmness and reduce jumping

Usually 4-6 hours after the effect is significant

Scope of application: 200

X9 Smart Wireless Doorbell Visual Wifi Color:White Ding dong: Supports RF 433MHZProduct information: Model: X9 Power source: battery Power supply voltage: 0. 6 (V) Ringtone: Ding Dong Power consumption: 0. 04 (W) Scope of application: family villa warehouse office Type: Wireless Doorbell Specification: Doorbell size 75*48*16mm Dingdong machine size 50*38*20mm Packing list 1*Door Bell Machine 1 * Indoor Ding Dong Machine 1 * charging cable