K-400 portable gas detector with large LCD. It can monitor CO H2S O2 and combustible gas simultaneously. The instrument features two instant alarms with audio/visual and vibratory indicators

BH-4AS portable multi-gas detector could detect combustible gas O2 and other two types toxic gases continuously and simultaneously. It is widely used in the area where explosion-proof is required or toxic gas leaks

K-600 gas detector with built-in pump which adopts an advanced integrated circit with standard intelligent level design technology and propietary digital analog hybrid communication technology.

BH-H3-H2 Hydrogen gas alarm is a kind of wall-mounted household gas alarm designed to detect the concentration of combustible and toxic gases or vapors using high quality air-sensitive component and manufactured with advanced technology.

BH-H3-CO Carbon monoxide gas alarm is a kind of wall-mounted household gas alarm designed to detect the concentration of combustible and toxic gases or vapors using high quality air-sensitive component and manufactured with advanced technology.

BH-H3-CO3 Carbon trioxide gas alarm is a kind of wall-mounted household gas alarm designed to detect the concentration of combustible and toxic gases or vapors using high quality air-sensitive component and manufactured with advanced technology.

BH-H3-CH2O Formaldehyde gas alarm is a kind of wall-mounted household gas alarm designed to detect the concentration of combustible and toxic gases or vapors using high quality air-sensitive component and manufactured with advanced technology.