IR Sensor Welcome Doorbell Electronic Induction Doorbell Advertising Guide (Black)

Description -This product used advanced manufacturing technology. It has body sensing, high performance, energy-saving functions. It is without inadvertently touching or interference. And monitoring of human movement with in certain scope. -It is very convenient for office, home, shop, factory and other places. With the Double-sided adhesive sticker, you can stick the door bell anywhere you want, or you can use the screws to fast the door bell on the wall, wood board, aluminum board etc.
Specification Type: Induction doorbell
Power supply: DC9V or 3*7th batteries (battery lifetime: about 1-2 months, the product does not contain the battery)
Ringtone: 32 sets
Power consumption: 1W
Scope: Shops, families, shopping malls
Product Size: 81*81*42cm/ 31.89 * 31.89 * 16.54 inch
Color: White, Black, Yellow, Green, Pink, Red, Purple, Blue
Material: ABS
Detection angle: Up and down 60 degrees, left and right 110 degrees
Detection distance: 0-8m
Advantages: Strong sensitivity, good drop resistance, sound sweet
Package includes: 1 * Doorbell 2 * Expansion screw 1 * Optional bracket 1 * Product brochure 1 * Strong double-sided adhesive 1 * Block paper