The Helix Door/Window Sensor made to make you aware of when your door opens or closes and adds to a Helix Control Panel.  It comes with 2 hardwired zones and a tamper if the cover removes. The wireless signal is a little stronger than the mini sensor. This sensor also has a longer battery life (around 10-15 years).

Feel free to look at our other Window/ Door Sensors!

Features: 

• For sensing things that open or separate.
• Magnet and Internal reed switch operation.
• 2 supplemental hardwire zones.
• Cover tamper.
• Strong, reliable RF signal.
• 10-15 year battery life on CR123A battery.
• Low Battery indication.