ELEOPTION High Precision UV Strength Tester UVA UVB Meter Photometer UV Detector Hand-held LCD Display for Outdoor Sunlight for Sunglasses UV Strength Tester;

Fucntion and feature
5 functions: month. date. hour. minute.second
UV index meaturement from 0-20(0.5 increment) UVA and UVB.
30 second alarm sound
selecable 12/24 hour formal
4-year calendar, alarm, chime enable/disable,LCD Test
Operates with 2pcs.alkaline type button cell(1.5VX2)LR44, AG13 tec

how to check UV index(UVI) press the swith "U" and face the UV sensor direct under the sunlight. LC display shows the UV index reading

Note: The measure taken will be inaccurate when the sunlight is not fully covered the UV sensor.

Parameter:
Units of measurement:1000U W/CM2 = 1MW/CM2
Accuracy:±（0.1）
Power supply: Ordinary battery
Size:9.5cm * 5cm *2cm
Weight:20g

Package Included:
1x UV Detector