Laser pointer Function: laser pointer, wireless remote control up / down with CE, ROHS, FCC ... . dual-energy long-lasting battery life control 2. laser pointer 3. powerpointer teaching profession, speaking assistant page up and ... : AAA * 2, 8. Size: 113mmX25.5mmX14.5mm (length X width X height) 9. Receiver: small size, large capacity. Using USB2. ... to install a generic USB drive) New design laser pointer