Protection Relay manufacturers Voltage Amber display 110v 220V volt detector green red yellow signal indicator panel. Product Information Voltage Amber display input voltage range is AC 20-500V, measuring voltage range is AC 20-500V, voltage measurement error is 2V, working environment temperature range is -40-55鈩? It can be used as signal indication, warning signal, accident signal and other signals in electric power, telecommunications, machine tools, ships, textiles, printing and mining machinery lines. The lampshade of the voltmeter is made of high-strength polycarbonate, which has good impact resistance, and built-in screw-type wiring makes the terminals safer and more convenient. The volt battery has a long service life, low power consumption, small size (490 x 270 mm), and light weight. The set includes three mini digital voltmeters, one is green, one is red, and the other is yellow. Description Voltage Amber display uses LED light-emitting chip as the light source. It has long service life, low energy consumption, small size and light weight. It is a replacement product for various incandescent lamps and neon lamps of the XD type. The lampshade is made of high-strength polycarbonate, with good impact resistance, built-in screw wiring, safe and convenient. This series of indicator lights are suitable for signal indications, alarm signals, accident signals and other signals in power, telecommunications, machine tools, ships, textiles, printing and mining machine lines. Parameter: Input voltage: 20~500V Measuring range: 20~500V Voltage measurement error: 2V Ambient temperature: -40~55鈩?/p Color: red, yellow, green Size: 490x270mm Weight: 20 gramsProtection Relay manufacturers website:http://www.ilead-time.com/protection-relay/