Free shipping over HK$1,500 in Hong Kong
Invisible Open Sensor
$119
To secure windows, doors or skylights: The door/window contact installs invisibly and detects open doors and windows.
When you leave the house, you switch to alarm mode. That means the system sends a message to your smartphone or tablet as soon as a door or window is opened. The contact is easy to install and can be removed without trace.
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Key Features:
- Safeguarding of doors, windows, rooflights, etc.
- Reliable detection by magnet/reed contact sensor technology
- Sensor and magnet can be affixed by glue pads (glue pads included)
- Battery operated (2 x AAA-Alkaline, included)
- Low battery warning at the base unit
- Fixation material included
| Function | Invisible Window Sensor |
| Performance | |
| Technology | Magnetic Detection |
| RF Frequency (Connected with Wireless Sensors) | 868MHz / 433MHz |
| RF Operation Range for 868MHz or 433MHz | 150meters (open field) |
| Antenna | Internal |
| Indications | Trigger Indication |
| Metering | |
| Accumulated Energy Consumption | |
| Schedule On / Off | |
| Max Output Current | |
| Max Load | |
| Input Current Protection | |
| Overload Protection | |
| Overheat Protection | |
| Surge Protection | |
| Powered by | 3.7V DC (2 x AA size Li-oxide battery) |
