1.Mirror surface, and logo lit-up 2.2.4G wireless technology, long distance control 3. 2 pcs AAA battery ... -up, and can fade away in a while 4. 2.4G wireless technology, long distance while low power consumption 5. Powered ... battery, convenient to replace 6. Patent No.: 201030560206.2 2.4G Logo Lit-up Mirror Laser Pointer