Color televisions, black and white televisions, audio equipment, video recorders, cameras, computers, game consoles, fax machines, walkie-talkies, batons, machine tool control devices, copying, printers, electronic instruments, meters and other household appliances. Mechanical performance: operating force: 1N, 1.6N, 2.5N; elasticity; (internal control); switch life: 300,000 times, 500,000 times, 1 million times. [1] Electrical performance: contact resistance: 100mΩ (actual <20mΩ); jitter time: 5ms (actual <1ms); electrical switch life: 300,000 times, 500,000 times, 1 million times.