ผลการค้นหา: "alarm"

Personal Alarms are intended to frighten attackers and attract the attention of the people around

Device for generating a signal in case of fire

Fire alarm device based on detection of gases of combustion

Fire alarm device using several factors, such as the presence of smoke and temperature rise

Device for automatic fire detection

These defence sprays combine several features: personal alarm (first stage), tear gas and identifier color (second stage).

Defence sprays are intended to blind the attacker, giving the victim time to get away. The most advanced models also mark the attacker with special identifier color, enabling to identify the attacker later. Sprays can be…อีก