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1zinc alloy frame and keys,plated finished,vandal resistant
2.conductive rubber made of nature silicone
3.waterproof,corrosion resistance,ageing resistance
4.double-sided board,good for contact of goldfinger
technical parameters
1.force 160-180 grams
2.contact resistance < 100O
3.service life = 500 thousand
customer choice
1.button chrome-plated colors:polished or sandblasted chrome
2.color of the frame:polished or sandblasted
3.other usage keypad is available besides using for telephone
4.access control,digital look system,cabinet security etc
package
1.packing:40pcs/ctn
2.carton demension: 420*350*115mm
