1、Can be widely used in low current doorbell, access control, equipment start and point start switch. 2、The rated range can be used more than 50,000 times, and the electrical life up to 100,000 times. 3、The shell is anti‑corrosive, anti‑rust, pressure resistant, waterproof, and can be used in humid or dusty environment. 4、High quality flame retardant base is safe and reliable, IP65 waterproof grade for more reliable use. 5、Including push button switch and a gasket of the package, convenient for installation and has stable performance. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.