Specification
Outdoor-bell | Working voltage:4*alkaline battery (1.5V*4) Working temperature: -20 ~55 degree Wireless distance:300M(w/o any obstacle) Wireless Frequency: 467.6375M Hz Working time: six months IP level: N/A |
Indoor-bell | Working voltage:rechargeable Li-ion battery Working temperature: -20 ~55 degree Wireless distance:50-100M (w/ obstacle) Wireless Frequency: 467.6375M Hz Working time: 48 hours IP level: N/A |
Package Contents | 1 x Outside doorbell 1 x inner doorbell 1 x user manual 1 x 3M tape with glue 1 x screwdriver 1 x USB cable for charge |