Easy to install, low noise,durable,double lock with inside opening key. It must open with key when closing inside.

Shenzhen Brightness Electronics Technology Co., Ltd. provide you high quality products and good service.

(BTS-5B) Electric Control Lock, Electric Rim Lock, Electric Door Lock, Electric Lock, Door Lock, Electronic Lock is with high quality.

Features:

1.Voltage: DC12V
2.Dimension: 130mm*105mm*39mm
3.Function: Double lock with inside opening key. It must open with key when closing inside.

4.Suitable for metal door

5.Quality guarantee: for 1 year (except that man-made and Force Majeure)