?1Pc 4 Types D85-20 LCD AC 80-500V Digital Voltmeter No Power Supply Blue Backlight<br>Description:<br>D85-20 is a small volume of Cheap digital electrical measuring instruments｣ｬ mainly used for electrical circuit AC voltage measurement in real time｣ｬ and with the LCD display with digital direct reading<br>Feature:<br> Measurement Range: AC 80-500V<br> Power supply: no need working power (Measuring 220V｣ｬ direct connected to zero Wire and Fire Wire \/ Measuring 380V｣ｬ direct connected to 2 FireWire)<br> Accuracy: 0.5% &amp;plusmn; 2 words<br> LCD monitor: character height 19mm<br> Shell colors white｣ｬ black.<br> Backlight: blue backlight<br> Dimensions: without cover 70 * 40 * 26mm (with cover: 70 * 40 * 32mm)<br> Opening Hole size: 68 * 38mm<br> The instrument is only suitable for pure AC 50-60HZ ｣ｬ can not be used square wave inverter output and sine wave Modified sine wave measurements on the circuit｣ｬ otherwise the instrument will be permanently damaged!  Package included:  1 x 1Pc 4 Types D85-20 LCD AC 80-500V Digital Voltmeter No Power Supply