Made of high-quality plastic, it is solid, reliable, and offers long service life. Simple design, high accuracy, easy operation, and sensitive detection of electric current. Suitable for eonal, laboratory, scientific, and industrial applications. Transparent protective shell helps prevent dust accumulation and reduces damage. The galvanometer display provides large, clear readings for easy recognition. Note: Installation guide not included. Please verify the item meets your requirements before use. Product updates may occur; slight variations between batches, including color differences, are possible and do not affect functionality. Color: As shown Material: Plastic Package Contents: 1 x Galvanometer Only the items listed above are included; other accessories are not included. Note: Lighting and display settings may cause slight color differences between the image and the actual item. Measurement error allowance is +/- 1-3 cm.