Latching Push Button Switch: Push it-ON, Push it again-OFF; Electrical life: 100, 000 times, Mechanical life: 500,000 cycles Mounting Hole: 19mm(3/4"); Structure: 1 Normal Open; 3A 0-250V without LED High Quality: Aluminium Alloy Case and Silver Alloy Contact make the switch more durable and with high conductivity; The switch can be used in complex enviroment with waterproof IP66 and anti-vandal IK09 Wide Application: Suitable for car, computer, instrument and meter industry, door bell, home appliance etc. Package Content: 2pcs Switches with Pre-soldered Cable