Product information:
Product Name: Lane departure auxiliary system
Product material: ABS
Product Specification: diameter 3.2cm * height 3cm
Battery Specification: Lithium Polymer rechargeable battery
Charging cut-off voltage: 5*20 * 20mm 3.7 V150mah
Discharge cut-off voltage: 4.2V
Input voltage: 2.5V-5V
Battery life: 12-15 hours after being fully charged