1) The black cat sergeant is the new infrared alarm system, it has the high sensitivity alarm, high dB alarm
2) Suitable to use in stores, carport, balcony, factory, and more
3) User guide:
1. Open the back cover, put battery
2. Close the back cover, install the holder well
3. Install it in the detect place as request, put the switch (on), after 60s delay, it auto-entry alarm state
4. It can only be install inside of house, the installation height is 1.5 to 2.0m
5. The angle should be 90 between direction of detect and direction of man come into
6. It should not face the area of illumination, heat source, and barrier
7. The life of battery is up to the times of alarm, when alarm voice weaken, user should change battery for unit
8. The mirror face should keep clear, do not inflow water, if long time no use, user should better to close the power switch.