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Shipping Policy : Battery and Liquid not included during the shipping Parameter: 1. Size: 200mm*180mm*106mm(L*W*H) 2. Size of Testing sample: > ¢3mm 3. Weigh: 1500g 4. Resolution: 0.1% 5. Accuracy: ±2%(Colorless and transparent material) 6.Purple light Peak wavelength: 395nm 7. Blue light Peak wavelength: 460nm 8. Visible light Peak wavelength: 550nm 9. Power supply: 5V DC Adapter Features: 1. PL transmission meter, BL transmission meter, Light Transmittance Meter, Three function in ONE device. 2. Self-calibration and auto-calibration, NO need any manual adjustments. 3. Simple operation, putting the testing sample in the testing position, PL, BL and VL transmission values of the sample will simultaneously display.