6. Rechargeable lithium battery, No need to replace battery.

Preheating time: 10 seconds
Sensing time: 5 seconds
Measurement accuracy: ± 10%
Alarm method: indicator light and buzzer alarm
Display screen: 2.5-inch color LCD display screen
Battery: Built in 3.7V, 320mAh lithium battery
Charging voltage: DC 5V
Charging current: less than 1A
Size: 130x65.8x22.6 mm
Weight: Approximately 120 grams

Carton size: 44*38*22cm
Q'TY: 60PCS
G.W：13.5 KG