10 m detection range， 110 ° detection angle， automatic occupancy sensors， alarms

Product Features:
Infrared detection (detection angle of 110 degrees， 8 m distance)， infrared sensor and the host device using an ad hoc non-channeling sound， high sensitivity， without inadvertently， interference， etc.， Kongkuo place 150 meters away.

Delay fortification 10-15 seconds after boot officially entered the security state， someone enters the detection zone， namely automatic voice broadcast (three voices are free to choose).

When used as a warning bell:

Try probe installed in facing balcony doors， windows， stairs and other thieves easy access to the place. The height of the probe is installed in an appropriate range and the freedom to adjust the angle of the probe to the appropriate position. Sound inform the owner when the thieves entered.

When the doorbell with welcoming as:

Mounted on the top of the door or wall， free probe angle adjusted to the appropriate position. When guests enter the detection range， automatically send voice prompts owner.

Instructions: Replace the three AA1.5V battery， or plug in an external power supply to work.
We carefully design eliminates the trouble you just need to remove the battery to insert an external power supply that is able to automatically disconnect the battery connector is protected when the external power plug disconnect batteries that can be automatically entered to work.