Protection: The solar panel MPPT tester features overvoltage, overtemperature, overcurrent, and overrated power protection. Material: This solar panel multimeter is made of ABS material, making it sturdy, stable, and . Upgraded Version: This LCD solar photovoltaic panel multimeter is part of the second generation series with an upgraded backlight. Easy to Use: The multimeter can perform both automatic and manual MPPT tests without the need for an external power supply. Function: This solar panel multimeter is used to test the maximum power point and open-circuit voltage of photovoltaic panels. Type:200W Solar Panel Tester Color:Orange Material:ABS Package Contents: 1 * Tester 1 * Wire Clip 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.