Material: Aluminum Alloy.Built-In Battery: 3 Lr41 Button Batteries.Four-In-One Function: Red Laser・ Led White・ Commonly Used Writing Pen・ Mobile Phone Stylus.Applicable Products: for All Touch-Screen Mobile Phones And Tablet Pcs.Features: This Multi-Function Stylus・ with Red Laser・ Led White・ Writing Pen・ Touch Screen Stylus 4 Features・ Features・ Use A Wide Range.