... 2. Wide scale ranges 3. Panel Mounting 0.56 inch 3 1/2 Digit blue LED Digital DC Voltmeter ... ranges3. All ranges factory calibrated4. 3-1/2 digit resolution to 1,999 for readout in mA, A, ... /110 V9. Consumption: less than 1.1 Watt10. Housing dimension: 72mm*36mm*62mm (W*H*D)11. Panel cut-out: ... 67mm*33mm12. Operation environment: 0~50, 0~80% RHOptions1. LED ...