Home House 4 Volume Wireless Doorbell Chime 2 Plugin Receiver with 1 Transmitter.

Features:
-Wireless door bell.
-With alarm function.
-Waterproof.
-Stylish look and light touch design.
-Easy to install.
-Ultra-low power design, power saving and long-lasting use.
-52 polyphonic ringtones.
-4-level optional volume adjustment.
-900ft maxium wireless range1in the open air.
-Push buttons max.16.

Specifications:
Receiver:
Working Voltage: AC 90~250V;
Power Consumption: 10mW;
Sensitivity: -110dbm;
Volume: 10-110db;
Working Frequency: 433.92Mhz 280Khz;
Transmit Power: 0dbm;
Color:White;
Quantity:2pcs.

Doorbells:
Power Consumption: 0.01mW;
Modulation mode:ASK/OOK;
Battery:12V/23V alkaline battery;
Working Frequency: 433.92Mhz 280Khz;
Transmit Power: 0dbm;
Color:White;
Quantity:1pcs;

Package includes:
2 x Receiver,
1 x Doorbells,
1x User Manual,
1 x Mounting hardware
Product Attributes:

• Weight (lbs.): 0.51 lb