1.UV Test Range:0.0-20.0 2.Digital display, accuracy 0.1 3.Clock function 4.Operating Temperature:0~50 oC 5.CE Digital dispaly uv tester1. Advanced UV sensor, UV testing value range: 0.020.0 level.2. Digital LCD display, the precise is 0.1.3. Three buttons design, including Set Button, Mode Switching Button and Time Change Button.4. Power supply by CR2025 Lithium Battery.5. Operating temperature ...