... Button,9V battery operated,85dB/m,sound and flash,Fixed Temperature 135F(57C),alarm,meets EN14604 Test by hand,Dual sensor,Low battery ... , mothproof,Strong adaptability for circumstance SMT design, high stabilityOperating voltage: 9V battery Static current: ≤10uA Alarm current: ≤15mA Fixed Temperature 135F(57C ...