Features 1.Fast charging method is simple and convenient, user can use it for a long time. 2.The shoulder light can be used as a toy, it can be used as a guardian’s sacred object, and it can also be used as a child’s desire to become a policeman. 3.With IP65 waterproof rating, even working in rain will not be affected in any way. 4.Intelligent charging management chip can compatible with universal mobile phone chargers. 5.This stainless steel shoulder clip can prevent rain from causing rust without worrying. Specification Item Type: Police Shoulder Light Material: ABS/stainless steel US Plug USB Charger Voltage: 110-220v 50/60HZ Flashing Frequency: 8HZ Rated Voltage: 3.7 (vdc) Power Supply: 1 x Polymer lithium battery (built-in), USB charging Power Protection: Overcharge, overdischarge, overcurrent, short circuit Power Capacity: 450 (mah) Charging Time: 3-4 hours Working Time: >11 hours (room temperature) Charging Method: Constant current trickle Working Mode: Red and blue alarm flashing, constant lighting Purpose: Suitable for road administration, courts, urban management, high-speed duty personnel, environmental sanitation, security, outdoor activities and other personnel on the shoulders, so that people and vehicles walking forward and backward can see the red and blue flashing lights, so as to protect the personal safety of duty personnel effect Package List 1 x Police Shoulder Light 1 x Charger 1 x User Manual