1. Laser pointer: red laser pointer can reach over 100 meters away, applicable to school-teachings, exhibition presentations, meetings and other scenes to target any desired directions. 2. PDA functions: PDA handwriting cartridge is suitable for the Touch-Screen of all mobile phones, computers, handheld computers and other electronic products. 3. LED light:white LED (flashlight) or UV LED (Counterfeit Money Detecting) 4. Writing functions: a black or blue ball pen for your option. Tin box and silver paper box 200pcs/carton weight:16/18kg Carton size: 410*390*245 mm.