Ways To Unlock: Origin:Mainland Certification:Ce,fcc,rohsType:Ic Cabinet LockColor:BlackApplication:Supermarket/factory/school/gyms/swimming Pool/fitness ClubsSize:80*80*27mm Type:Ic Low-voltage Directives:4.8vWorking Humidity:Less Than 80%Working Temperature:-30 To 80 Degreed CelsiusStatic Power Consumption:Less Than 8 UaPower Consumption:Less Than 150maWorking Voltage:6vTwo Open Solution:Single Solution And Dual Solution.Power Supply:4pcs 1.5v Aa Alkaline Warranty:12 MonthsLow-voltage Directives::4.8vWeight:0.21kg