LCD Backlight Display: Eauipped with a clear-definition LCD display, with backlight function, simple and convenient operation. Multifunctional Design: 1600W PV panel multimeter, support auto/manual detection mode switch, measure PV panel maximum power point power, maximum power point voltage, maximum power point current, measure PV panel open circuit voltage. Automatic Measurement: Easy operation, when you press the [Auto MPP] test button, the multimeter will test itself according to the current power value, the inst ent automatically adjusts the test interval time according to the size of the current power value, and refreshes the digital display. Manual Measurement: Press the [Manual MPP] test button as you wish, the inst ent automatically adjusts the test interval time according to the current power value, the larger the power, the longer the interval time, and refreshes the digital display. Solar Power: Powered by solar panel (not included), it eliminates the need for battery and is economical and energy efficient. Five Protections: With multiple protections of over temperature protections, over voltage protections, over current protections, reverse connection protections and over rated power protections. Wide Applications: Suitable for photovoltaic panel manufacturers, photovoltaic panel operators, photovoltaic panel installers photovoltaic panel users, photovoltaic enthusiasts, etc. Name: PV Panel Multimeter Display: LCD display with backlight Colour:As Shown Material:plastic type:EY1600W/EY800W/EL400B Package Contents: 1 x PV Panel Multimeter 1 Pair x Connecting Cable 1 Pair x Clip Cable 1 x English manual 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.