1. Battery: 1.55VDC (LR41/SR41)2. Power consumption: 0.2mW3. Battery life: More than 200 operating houts( approx 2 years if used 10 minutes per day )4. Display unit: 0.1C / 0.1F0.01C ( 1/100 th digit model )5. Measuring rang: 32.0 C~42.9C / 90.0F~109.9F32.00C~42.99C( 1/100 th digit model )Less than: 32.0C/90.0F, Lo C/ Lo F DisplayMore than: 42.9C/109.9F, Hi C/ Hi F DisplayMore than: 42.99C ( 1/100 th digit model ) Hi C Display6. Accuracy: ± 0.1C between 35.0C~38.0C± 0.2 F between 95.0F~100.4F ± 0.2C/0.4F for remainder of range At room temperature of 22C ( 71.6F ) Company: I-Cute Technology Ltd.