Installation:

Transmitter attached to the door (double-sided adhesive tape already， but do not directly attached to the metal security door， next to a wall can be biased)， the receiver in the family， after ringing the doorbell rings at home， is a very economic and practical doorbell.

Product Description:

Simple and flexible wireless installation design， obviating the trouble and expense to install and money. Does not affect the decoration， beautiful.

Power supply:
Transmitter: 23A 12V， battery available year (by 20 times / one day to calculate)

Receiver: 2 * 1.5V (7 batteries)

Product Specifications:
Transmitter: 7.8 * 4.3 * 1.7cm
Receiver: 10 * 5 * 3cm

Packing: 16 * 14cm

Ringtones: 36

1. remote control within a distance of 10 meters， different housing structures at different distances.

2. The use of electronic systems with insurance buck， get rid of dangerous transformer (due to long-term work， easy to heat to produce a short circuit ignited)， to ensure safety.

3. This paragraph is an analog signal， using two or more (including two) within 50 meters may interfere with some wireless devices may interfere with， such as wireless routers and other nearby doorbell.

4. European style， the sleek， streamlined design of compact， ultra-small body， nice for your home considerably.
5. Built-in stereo speakers， so the sound crisp， sweet， especially for homes， offices， factories， and other places of tourist industry use， and versatile.