Features:
1. Skin moisture test
2. UV light index test
3. Data Hold
4. Low battery indicate
Specifications:
1. Moisture Range: 0-100% (Reference range for skin is 35~55%, 40~60% in Summer).
2. UV light index: 0-10, (0,1,2: SPF 0~15; 3,4: SPF 16~25; 5,6: SPF 26~35; 7,8,9: SPF 36~45; 10: SPF 50)
3. Battery: 12V 23A alkaline
