Use high-quality sensor with no stray light effect. Simple to use: open the front protection buckle, place the luminaire at a certain distance, and press the button to obtain the UVB radiation value. Features a rubber casing for enhanced impact protection. Equipped with an LCD display for high accuracy and minimal measurement error. Ideal for daily UVB testing of various reptile lamps, helping you determine the optimal angle and distance for your bulb. Specifications: Material: Plastic Probe Material: UV glass Color: Green Response Spectrum: 280–320 nm Peak Wavelength (λp): 300 nm Measuring Range: 0–1999 μW/cm² Resolution: 1 μW/cm² Response Time: ≤ 0.5 s Measurement Accuracy: ±10% Battery: 2 x AA battery (not included) Power Consumption: ≤ 0.25 W Screen Size: 2 inches Packing List: 1 x UVB Meter Note: Lighting and monitor differences may cause slight variations in color between the item and the image. Measurement may vary by ±1–3 cm.