Features:
100% Brand new and high quality!
Uses advanced micro-computer manufacturing technology
Automatic body sensing， high performance， energy-saving
Sensitivity， without inadvertently touching& interference
Effectively monitor the environment from a variety of account within the scope of its monitoring of human movement
Applicable to home， office， shops， factories and other places
Bring the convenience and unexpected joy and a sense of security

Specifications:
Material: Plastic
Batteries: 3 x AAA 1.5V (not included)
Power: DC 9V
Detecting Area: 5-10 m， angle: 110°
Alarming Sound Depth: 75-95 decibels
Dimension: Approx. 3.15*3.15*1.57 inch / 80*80*40 mm
Color: White， Black， Yellow

Package Includes:
1 x Intelligent Greeting Doorbell
1 x Double-sided Adhesive
2 x Screws