Hot sale access control metal 4x4 Matrix Illuminated Digital Numeric Keyboard

Product Name: industrial metal keyboard

Product P/N:GZ-Z010240

Product Size: 85*35mm

Product Description: Waterproof stainless steel keyboard, number key and two function keys, compact layout of keys, using 0.5mm long key stroke, the installation method is from inside to outside, the whole thickness is: 13.5mm (excluding the control board), using full waterproof silica gel design, stainless steel panel and laser engraved key design, the mold with precision and accuracy, beautiful and generous surface treatment.

Electrical parameters:
1. Working voltage: DC + 5V + / - 5%
2. Working current: 20mA
3. Expected service life: > 5 years
4. Key switch technology: imported gold-plated pot chips
5. Interface technology: 7pin OR 8pin