1、Convenience: Manual fire alarm button, simple structure, novel design and convenient installation. 2、High Quality Material: The alarm is made of ABS material, with high strength, good toughness, sturdiness and durability, and long service life. 3、Sensitive: In the event of a fire, press the starting part, the button will immediately output an alarm signal, start the fire alarm and other linked fire equipment. 4、Reusable: After use, there is no need to replace the starting parts, only need to reset with the key, and then it can be reused. 5、Scope of Application: Suitable for use on fire alarm equipment in factories, warehouses, hotels, and large buildings. Item Type: Fire Alarm Button Model: RA-102B Material: ABS Contact Resistance: <0.1Ω Maximum Working Current: 5A Uses: Suitable for Use on Fire Alarm Equipment in Factories, Warehouses, Hotels, and Large Buildings. 1 x Alarm Button Switch 2 x Screw 1 x Key