New study specialty product with mutifuntion as below description,The price and MOQ can be negotiated: 1.function: Tire pressure detection, air compressor, led flashlight,power bank�  2.application scene: Cars, motorcycles, bicycles,balls 3.Super capacity: built-in 5C 18650 3.7V/2000mAh high capacity and high safety lithium batteries (2S1P)7.4V; 4.Lighting function: This product integrates two 2835 white LED lamp beads, which can be used as outdoor lighting and SOS rescue function;�  5.Air pump function: The power supply integrates an air pump, which can be used as tire inflation; 6.Air pressure detection function: The power supply integrates a digital barometer, which can be used as air pressure detection, with an accuracy of �±0.01Bar and an error of �±0.1Bar; 7.USB output: It can be charged and navigated for all kinds of digital products. Easy to use; 8.Ultra-high efficiency: 5V/2A charging efficiency>70% (Type-C port);�  9.Durable: Built-in battery charge and discharge cycles â?¥ 500 times; 10.Safe and reliable: There is a power supply short circuit protection design on the PCBA; built-in lithium battery protection IC: It can effectively prevent the battery from overcharging, over-discharging, and over-current; 11.Warning light function: It is designed with high-brightness red and blue LED warning light board. It can be provided the effect of avoidance prompt in emergency situations. Improve the safety of users,Ultra-high lumen 120 meters clearly visible; 12.Ultra-high air pressure output: 150PSI can be applied to the tire pressure range of various types of bicycles (road type/mountain type/competition type/children type, etc.; 13.Custom mode: Users can edit their own air pressure value and unit. Make the product more close to the user's needs. Welcome to know more details for further progress,thx for cooperation.