433MHz 52 Songs Adjustable Wirelss Chime Bell Ring EU US Plug for WiFi Smart Video Doorbell
Features:
*Installation is simple and convenient.
*Ultra low power design, power saving and long-lasting use.
* 52 first polyphonic ringtones.
*4 level optional volume adjustment.
Specification:
Operating Voltage: AC 90~250V
Working frequency: 433.92 MHz
Working frequency: 433.92 MHz
Volume: 10-110db
Power consumption: 10 mW
Sensitivity: -110dbm
Net weight: 92G
Size: 81 x 81 x 20mm
Package Included:
1 x 433MHz 52 Songs Adjustable Wirelss Chime Bell
Detail Pictures:
433MHz 52 Songs Adjustable Wirelss Chime Bell Ring EU US Plug for WiFi Smart Video Doorbell See detail
