This energy meter can measure the positive active energy in the measurement of electricity, which is clearly displayed on the backlit LCD screen. The internal IC chip is produced with precise , with good electromagnetic interference resistance and stable performance. High reliability, low volume, light weight, beautiful appearance, advanced technology and standard guide rail installation 35mm DIN Adopt microelectronics and digital processing technology to measure electrical energy, accurate and reliable. Used for indoor permanent installation. [Two Rows LED Display] The top row shows a temporary power consumption counter and can be cleaned, the bottom row shows the total power consumption and cannot be cleaned.<br><br>Note:Due to different factory batches, if there is slight difference in appearance, it not affect the use. Colour:White Material:Plastic<br><br>Package Contents: 1 * single-phase energy meter<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.