Features 1、Accuracy Measurement: Equipped with a compass, this tool accurately measures the verticality of solar panels by utilizing angle and light focusing. 2、Portable and Outdoor Friendly: Conveniently portable, this solar panel angle tool can be used outdoors to determine angles, enhancing the efficiency of solar panels. 3、User Friendly Performance: Simple to use, this solar tracker tool is suitable for various types of solar panels, making it versatile and easy for all users. 4、Efficient Solar Panel Optimization: Utilizing this device, users can fine tune the angles and directions of solar panels, maximizing the efficiency and output of solar energy. 5、Use Indication: When the black dot shadow on the dial approaches the central black cross, it is at 90 degrees; The closer the sunlight angle is to 90 degrees, the higher the amount of solar energy absorbed. Specifications Item Type: Solar Angle Guide Material: Plastic Size: Approx. 4.5cm / 1.77in Weight: Approx. 19.00g / 0.67oz Package List 1 x Solar Angle Guide