SOUNDTEOH Wireless Digital DoorBell DD-188

• Wireless design
• Easy to install
• Strong anti-interference system
• Low power consumption
• Weatherproof touch sensor transmitter with led indicator
• 5 levels of volume control - higher, high, medium, low and mute
• Polyphony Sound: 36
• Distance coverage: Up to 50 meters
• Packing Dimension: L18.3cm x W3.5cm x H24.4cm
• Weight: 0.2Kg
• Battery : 1 x 12V (Included),*3 x AA (Not Included)