3.5in Portable Video Digital Magnifier 2X‑25X Zoom Electronic Reading Aid with 8 Color Modes for Low Vision Black Item Type: Portable Digital Magnifier Material: ABSBattery Type: Built in 1000mAh 3.7V lithium battery (included)Zoom: 2-25XDisplay Type: 3.5 inch IPS full view HD screen Color Mode: Full color, black and white, white on black, black on white, white on blue, blue on white, blue on yellow, yellow on blue Memory Card: Support up to 32G memory card Image Sensor: 1/6.5in VGA Image Freeze: Freeze, releaseExternal Television System: PAL, NTSCSuitable The Crowd: Suitable for students, middle aged and old people to read books, newspapers, visually impaired people