Origin : CN(Origin)DIY Supplies : ELECTRICALDisplay Type : Digital displayCertification : NONEModel Number : EL400B/ EY800W (Optional)Dimensions : 165*80*30mmOperating Temperature : 0 - 40 Power Supply Mode: : Solar PanelThis solar panel multimeter can test the maximum power point and open circuit voltage of photovoltaic panel. The power supply method of solar panel is more environmentally-friendly and energy-saving, and it requires no additional electricity. With multiple protections, this multimeter is safe to be widely used in many fields.Features:Auto MPPT Detection:When pressing the AUTO MPPT test button, the instrument automatically adjusts the test interval time according to the current power value and refreshes the digital display. For example, when the power of solar panel is 100W, refresh once every 5S.Manual MPPT Detection:When pressing the manual MPPT test button, the instrument starts a scan of the maximum power point and refreshes the digital display.Open Circuit Voltage Real-time Display:The open circuit voltage will display on the large LCD screen at any time, giving you a better experience.Large LCD Backlight Display:The screen adopts large LCD with backlight for easy reading no matter in the day or at night; you can turn on/ off the backlight as you like.Multiple Safety Protections:Over-voltage/ over-current/ over-temperature/ over rated power protections ensure safe use.Wide Application:This multimeter can be widely used by PV panel manufacturers/ distributors/ installers/ users and anyone who is interested in PV panel.2 Models Optional:EL400B/ EY800W. They have different power and current. EL400B (0.1-400W, 0-20A); EY800W (5-800W, 0-35A).Note:Size and color may be slightly different due to manual measurement and different lighting conditions. Thanks for understanding.Specifications:Model: EL400B/ EY800W (Optional)Color: MulticolorMaterial: ABSPower Supply Mode: Solar PanelVoltage: 12-60VPower:EL400B: 0.1-400WEY800W: 5-800WCurrent:EL400B: 0-20AEY800W: 0-35AItem Size: 165 * 80 * 30mm / 6.50 * 3.15 * 1.18inPackage Size: 25 * 13 * 6.5cm / 9.84 * 5.12 * 2.56inPackage Weight: 500g / 1.10lbsPackage List:1 * Solar Panel Multimeter1 * Connecting Cable1 * Alligator Clip Cable1 * EVA Toolkit1 * User Manual (English)Shipping:1.We guarantee to ship goods out within 24-72 hour after payment confirmation except holiday.2.We ship by China post,HKpost EMS,DHL,Fedex,according to your choice when placing orders .3.If you didn&39;t receive the item after 45 days,please feel free to contact us.We will make all our effort to resolve the problem.4.We are not responsible for delays causedby the customs,Import duties,taxes or other customscharges.Warranty:1.All items have 1 year guarantee.IF your purchase do not meet merchantable quality, fitness for purpose or match the , We can make sure your issues are resolved .2.For wrongly-shipped items, Please contact us in 48 hours after delivery.We will arrange to deliver the correct items or return all your payment.3.For defective or faulty products,please take photos or videos,we would resend or refund after confirmation."