Usage : MultifunctionalTheory : CounterModel Number : B2E-2R-220 Digital TimerCertification : CEOrigin : Mainland ChinaFront Panel Dimension : DIN 48mm(W)X48mm(L)Power Supply Voltage : AC 100-240V 50/60HzTime Range : 0.01s-99h99m time range with twin time set value individual, Up or Down Mode, Output for A,B PeriodCharacter(PV) : 4 digital 9.9mm height Red LED LettersCharacter(SV) : 4 digital 8mm height Green LED LettersContact Output : AC250V 3A(Resistive Load) A: NO/NC B: NOLife expectancy of Relay( Mechanical) : Mechanical10,000,000 operationsLife expectancy of Relay(Electrical) : Electrical10,000,000 operationsAccuracy : 1.1% +-0.05sControl Signals : >=5ms(Reset, Gate)Control/Input Type : Contact/No-voltage input(NPN)/Voltage input(PNP)External Power : DC12V/50mA(Max.) for sensor use onlyReset Method : Power on/External/ManualCutout size : 45x45mmMounting Method : Flush mounting and screw terminalsWeight : Approx. 130gEnvironmental Conditions : -10 to 55C(no icy or condensation)Storage Temperature : -25 to 65C(no icy or condensation)Storage Humidity : RH 35-85% Humidity