Intelligent welcoming caution doorbell, advanced microcomputer technology, using automatic human body induction, excellent performance, energy-saving and easy to use. The third generation new upgraded version of voice (Ding Dong, Hello, welcome) and 16 music and sound the alarm is optional, with separate Ding Dong sound. 2 music can change at will, the sound volume can be adjusted (4 level alarm sound can not adjust the size). The human body infrared thermal sensor, day and night, can be in normal use, and is not affected by environment, can be used for infrared alarm, doorbell or welcome. Ad hoc no on device, until the sweet music is completed, sensitivity. The random distribution of double-sided adhesive, screw, you can use the 9v transformer (power adapter not distribution), without the need of professional personnel, their easy installation. More suitable for the needs of the market, closer to the lives of consumers, office buildings, shops, factories, Home Furnishing various occasions can be used, bring convenience, more happiness and a sense of security beat all. Note: the alarm 95 decibel not very loudly, can not adjust the volume and size, is more appropriate to remind, alarm shop!
Trustpilot
3 weeks ago
2 months ago
