产品规格：
SPECIFICATIONS
Rating: 50mA 12VDC
Total Travel:0.8-1.0mm;
Operating Force:300-400gf;
Degree of protction:IP67;
Mechanical Life: 1000， 000 cycles;
LED Life: 50，000 hours;
Switch the material:
1.Shell material: Aluminium Alloy;
2.Key:PC;
3.Back shroud: PA66;
4.Supporting plate: POM;
