SpecificationTransmitter:Operating voltage: 3VMax. power consumption: 0.036W Operating frequency: 434 MHzTemperature detection range: -40oC~+100oCPressure monitoring range: 0.00~5.96Kg/cm3Air pressure tolerance: 5%Temperature tolerance: 5%Battery life: 5 years (if normally used)Receiver:Operating voltage: 9V~16VMax. power consumption: 2.4WOperating frequency: 434MHZTemperature displaying range: -20oC~+99oCPressure displaying range:0.00~5.96Kg/cm3 producing area:China payment:T/T, L/C supplying capacity:25,000pcs/month