Features: 1.This multi-wire manual alarm button is suitable for sound and light alarms when a fire occurs. 2.Conventional manual call point, and it is operated by advanced MCU expert algorithm software. 3.Press and then pull the handle down to activate the normal alarm open control. 4.Behind the tilting position, the word "ACTIVE" will appear yellow at the top, and the handle portion will protrude from the bottom of the sign. 5.Convenient to operate, durable in use, and it can remind people to escape the fire. Specification: Condition: 100% Brand New_x000D_ Item Type: Fire Alarm Button _x000D_ Color: As the Picture Shows_x000D_ Operating Voltage Range: DC 9-28V_x000D_ Alarm Resistance: 470Ohm / 1W_x000D_ Operating Humidity Range: Relative Humidity 10%-93%, no Condensation_x000D_ Operating Temperature Range: -10C-50C (14F - 122F) PackageList: 1 x Fire Alarm Button2 x Key1 x Instruction Manual Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.