| main features | 1.frame and keys made of stainless steel, highly vandal resistant |
| 2.dustproof, weatherproof, anti-explosion, hard to disassemble |
| 3.double-sided board, metal dome circuit, reliabled contact |
| technical parameters | 1.life span≥2 million |
| 2.elasticity of key: 2N-3N |
| 3.traveling distance: 0.45mm |
| 4.character of the key's surface:laser mark and a heavy painting |
| 5.LED voltage:3V |
| environmental adaption | 1.operate temperature: -25~+65°c relative humidity:30-90%RH |
| 2.storage temperature: -40~+85°c relative humidity:20-95%RH |
| 3.defend grade:IP65 |
| customer choice | 1.letters of the keys and layout can be made according to custome's requirements |
| 2.color of LEDs can be changed according to custome's requirements |
| 3.other usage keypad is available besides using for telephone |
| 4.access control, digital look system, cabinet security etc |
| package | 1.packing:60pcs/ctn |
| 2.carton demension: 370*330*120mm |
