Specification:
• Wireless Distance: 100 meters(Open area)
• Work Voltage: AC 100-240V 50~60Hz
• Battery(Doorbell button):12V, 23A
• Wireless Frequency: 433.92MHz
• Work Temperature:-10℃~50℃
• Standby Current:

Product Features

• PERFECT FOR YOUR HOME, OFFICE AND SHOP: The Doorbell Alarm with time display will make an alert or chime immediately with LED indicator when intruder or visitor trigger it. no monthly fee
• DOORBELL/ALARM/WELCOME/NIGHT LIGHT: 4 modes allow your wireless door and window entry alert system to meet any scenario requires. Just add the additional sensors to corresponding mode
• EXPANDABLE & LED VISUAL ALERTS: Max up to 54 accessories(9 for each defense zone) and 9 remote controls can be added for each doorbell host. LED visual indicator great for the hearing impaired
• 58 CHIMES & 5 LEVEL ADJUSTABLE VOLUME: 58 unique ringtones and chimes allow your wireless door and window entry alert system to meet any need. 5 levels adjustable volume from 25dB to 125dB
• EASY TO INSTALL: Just plug the door entry alarm host into any standard outlet, and paste the door sensor onto the door or window with double-side tape. All sensors in kit have been paired with receiver host