[Professional testing of photovoltaic panels] Quickly locate the maximum power point (Pmax), synchronous display Optimum voltage (Vmax)/current (), accuracy ±1.5% . Supports 5~800W PV panels, over-power auto-protection, anti-burnout. [Intelligent Data Management] 2.8-inch TFT colour screen real-time display of voltage/current/power curves (red/blue/orange marking) Data storage manual/automatic mode saves 14 sets of data each, cyclic coverage. [Convenient Connection] Standard interface cable + crocodile clip, compatible with most of the PV panel wiring, anti-reverse connection protection, misconnection not damage the equipment. [Safe Design]Over-temperature alarm automatically suspends the test and resumes after cooling down. Triple protection, over-voltage/over-current/over-power alarm to protect the equipment and PV panels. Power Range Pmax: 5~800W; Vmax: 0~60V; : 0~35A Accuracy: ±(1.5% + 5 digits) Display: 2.8inch TFT color screen (voltage/current/power curves) Data Storage: 14 groups (manual/auto modes) Protections: Over-temperature, reverse polarity, over-power/voltage/current Connections: cable + alligator clips included Operating Temp: 0℃~60℃ (with overheat alarm) Power Limit: ≤800W (exceeding may damage device) Color: As Shown Material: ABS Package Contents: 1 x Photovoltaic panel measuring instrument 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.