1.Monitor Specification:a.Operating voltage: 3.7-5Vb.Storage temperature-30C-90Cc.working temperature-30C-85Cd.RF Emiion frequency433.92MHz50KHze.RF Signal sensitivity-90dbmf.Display modeLCD Color displayg.Working preure: 0-99Psih.Bright operating current6mAi.Black operating current4mAj.Size95*83*75MM2.Sensor Specification:a.Battery life24 monthsb.Operating voltage2.1-3.6Vc.Storage temperature-30C-90Cd.working temperature-30C-85Ce.Temperature resolution2C25Cf.Preure range:0-5.0Barg.Preure resolution0.1Barh.Waterproof gradeIP67i.Transmitted power10dBmj.Transmit frequency433.92MHzk.Size21mm*17mml.weight8.0gm.lithium batteryCR1632Model Package: 1 x Solar powered Monitor 4 x External sensor 4 x Lock Nut 4 x Waterproof rubber ring 1 x Installation tool (same tool for replace battery) 1 x Stick pad 1 x EnglishManual /Online Manual