1.professional key lock switch manufacturer 2.on-off-on,on-off 3.good quality and compatitive price 4.free samples avaliable ELECTRONIC LOCK ,TELEPHONE HOOK SWITCH, KEY LOCK SWITCH : Specification of Electronic LockRating 0.5A 250V ACDielectric intensity ≥1000V AC/MinContact Resistance 50mΩLife ≥10000 timesInsulation Restance ≥200MΩ power key lock