Information required for custom flashlight project:

1. Application: Working environment, protection & performance requirements
2. Target market: Sales region & required certifications
3. Order quantity: MOQ for first order, estimated annual volume, sample request
4. Functions: Lumens, beam distance, light modes, charging method, etc.
5. Appearance: Size, material, surface finish, logo solution
6. Battery specs: Cell model, capacity, built-in or removable
7. Packaging & accessories: Box type, accessory list, branding requirement
8. Target cost: Target EXW price, whether battery, logo and packaging included

Additional info: Mold requirement, certification responsibility, expected lead time, reliability test standard