Model: JY-RQ-011 gas leakage detector, when the gas density exceed the pre-determined standard, then it will send signal to the main panel to alarm. It can combine alarm system for use and it can use alone. Widely used at kitchen, hospital, supermarket, bank, warehouse, hotel, etc. Widely used at kitchen. Feature: Wireless installation, wireless transmitter, DIY project High quality flame retardant material for the plastic covers High sensitive chips inside and strong anti-interfere LED indicator for low voltage 24 hours working Self-alarm when the gas density exceed the standard density, then send signal to users. Special SCM intellectual control, self-detecting and strong reliability.