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main features 1.zinc alloy chromed keys and frame,vandal resistant
2.conductive rubber made of nature silicone
3.Epoxy resin gilding PCB
4.waterproof corrosion resistance,ageing resistance
technical parameters
1.force 160-180 grams,nimble dial-up
2.contact resistance < 100O
3.service life = 500 thousand
4.Ambient temperature:-20 ~+50°C
5.Relative humidity =95%
6.Atmospheric pressure:80~106kPa
customer choice
1.button chrome-plated colors:polished or sandblasted chrome
2.Zinc alloy plasted of the framework’s colors: polished or sandblasted chrome
3.Color the backliting can be custom according to customer's requirement.
4.other usage keypad is available besides using for telephone
package
1.packing:40pcs/ctn
2.carton demension: 420*350*115mm
