main features

1.zinc alloy chromed keys andframe, vandal resistant

2.conductive rubber made ofnature silicone

3.Epoxy resingilding PCB

technicalparameters

1.force 160-180 grams, nimbledial-up

2.contact resistance <100Ω

3.service life ≥ 500thousand

4.Ambient temperature:-20 ~50°C

5.Relativehumidity ≤95%

6. Atmosphericpressure:80~106kPa

customerchoice

1.button chrome-platedcolors:polished or sandblasted chrome

2. Zinc alloy – plasted of theframework’s colors: polished or sandblasted chrome

3. Color the backliting can becustom according to customer''s requirement.

4.other usage keypad isavailable besides using for telephone