This voltmeter is widely use in outdoor advertising, intelligent breeding farm, garden irrigation, newEnergy intelligent power consumption, etc. Features: Meet the application needs of various occasions, reliable operation in harsh environments. 35mm din rail mounting, double buckle design provides a safer and fixed position. Real time clear displays working voltage. Made of fine quality material for long lifespan. Three models available: TOVME-1D, displaying a separate voltage; TOVME-2D, Dual LED display, displaying the voltage of two different devices; TOVME-3D, Three LED displays, displaying the voltage of three different devices. Specifications: Type: TOVME-1D, TOVME-2D, TOVME-3D (optional) Main color: white Operating temperature: 0-40 Voltage measuring range: DC11-310V Protections: IP20 Boot display: 800ms Standby power: TOVME-1D: 1W TOVME-2D: 2W TOVME-3D: 3W Item size: 90 * 18 * 66mm / 3.5 * 0.7 * 2.5in Package size: 93 * 76 * 21mm / 3.7 * 3.0 * 0.8in Package weight: TOVME-1D: 51g / 1.8ounce TOVME-2D: 65g / 2.3ounce TOVME-3D: 80g / 2.8ounce Packing List: 1 * Voltage Meter