D-Link DCH-Z110 mydlink™ Home Door/Window Sensor

• 3-in-1 Sensor(Door or Window open/close monitor room temperature & light)
• Battery Powered, Z-Wave:868.40 MHz
• Networking Protocol Support: Z-Wave v6.02 or above
  
• Z-Wave Wireless:868.40 MHz
• Buttons: Tamper switch & pairing/unpairing button
• LED: Status
• Power: Included 3 V battery (CR123A)