Lugar del origen
Guangdong, China
Product Name
wireless door bell
Reminder mode
ringtone+flash+vibration,ringtone,flsah,vibration
Ringtone choices
36 ring tones choices
Volume
4 level adjustable volume
Transmission distance
300M in a open air place
Operating frequency
433.92MHz
Power supply
built in 1450mAh rechargeable battery on receiver
Application
Home Hotel Apartments Office