Product Description:High Capacity 435 Pin Type Lithium Battery, High quality,Long lasting Lithium Battery (20+ hours) Push/Pull On/Off design2 light colors allow you to identify your float at night am..

Product Description:High Capacity 435 Pin Type Lithium Battery20+ hours of battery lifeWaterproof and shock resistant designAfter the battery is weak. Please do not throw away, After a period of time,..