This HY-22 Wireless Door Contact Alarm is triggered by magnetic sensor, suitable for windows and doors when opening.
This HY-22 Wireless Door Contact Alarm is triggered by magnetic sensor, suitable for windows and doors when opening. It has a bright red light that can be seen from far away, therefore, this device is useful for people with hearing loss. The 110 decibel sound of a wireless door alarm can help deter intruders, or alert your neighbors.It suitable for for family, business, apartment, hotel room, garage, rv, etc. Our HY-22 Wireless Door Contact Alarm is simple to intsall and it has stable and excellent working performance. If you are interested, please let us know!
Our HY-22 Wireless Door Contact Alarm is made of high quality materials, which are not only nontoxic and odorless, but also waterproof, durable and resistant to corrosion and rust. It also has advantages of long service life and very low maintenance cost. We can supply you this product in a large quantity at wholesale price.
Standby Current: s10uA
Alarm Current: s100mA
Alarm Sound: 290dEWireless Frequency: 433.92MHz
Working Voltage: DC 3V (2pcs 1.5V/AAA battery)
Operating Humidity: s80% (without condensation)