1.frameand keys made of stainless steel,highly vandal resistant

2.dustproof,weatherproof,anti-explosion,hardto disassemble

3.double-sidedboard,metal dome circuit,reliabled contact

technicalparameters   

1.lifespan ≥2million

2.elasticityof key: 2N-3N

3.travelingdistance: 0.45mm

4.characterof the key''s surface:laser mark and a heavy painting

5.LEDvoltage:3V

 environmentaladaption 

1.operatetemperature: -25~ 65°c   relativehumidity:30-90%RH

2.storagetemperature: -40~ 85°c   relativehumidity:20-95%RH

3.defendgrade:IP65

customerchoice

1.lettersof the keys and layout can be made according to custome''srequirements

2.color ofLEDs can be changed according to custome''s requirements

3.otherusage keypad is available besides using for telephone

4.accesscontrol,digital look system,cabinet security etc

package

1.packing:60pcs/ctn

2.cartondemension: 370*330*120mm