Chuango Wireless Roller or Tilt Door Sensor for Home Security Alarm DWC-55 Safety printers or monitors up to

printers or monitors up to 80 lbs

such as standard duplex and network functionality and a high paper capacity

4:3 format

Security Level: P3

Chuango Wireless Roller or Tilt Door Sensor for Home Security Alarm DWC-55 Safety printers or monitors up toDescriptionSpecificationsShipping The DWC 55 Roller Shutter Door Sensor is used for rolling gates. When the Metal Magnet and the Metal Reed Switch are separated more than 2cm, it will transmit wireless alert signal to the connected control panel immediately. The lifespan of the battery depends on the frequency of opening and closing the door gate, the normal battery's service life is about 12 to 15 months. Power: DC 3V (AAA 1. 5V LR03 x 2 PCS) Radio