Tilt Sensor For Your Garage Door

• Detects open/closed status of garage door
• Battery-powered, no wiring required
• Provides low battery alerts
• Wireless range up to 600 feet
• Built-in S-Line encryption technology
• Compatible with 319.5 MHz wireless panels, such as GE/Interlogix or Qolsys IQ

https://www.youtube.com/watch?v=tiGV6ySC-9w&t=11s