Smaller and less expensive than Honeywell brand transmitters, yet works the same!

Honeywell Compatible Standard Door/Window

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.
• Includes magnet
• Includes battery
• Low Battery indication.