Specifications: Product size: 296 x 153 x 147.5 mm Supported Resolution: Native 1080P (1920x1080), supports 4K & 8K Input Brightness: 900 ANSI Lumens Contrast Ratio: 26,000:1 Throw Ratio: 0.6:1 Projection Size: 40 - 160 inch Distance: 0.55 - 2.2 m OS & Connectivity: Android 14 | WiFi 6 | BT 5.4 Memory: 2GB RAM + 32GB ROM Ports: HD, USB, 3.5mm Audio, AC Power Speaker: Dual 5W HiFi Speakers Why Choose the HY450C Over Its Predecessor, the HY450? The HY450C is a significant premium upgrade from the popular HY450 model, focusing on automation and enhanced performance: From Electronic to Auto Focus: The HY450C introduces Instant Auto Focus, providing a sharp image automatically upon startup, unlike the HY450 which required manual electronic focus adjustment. Brighter & Sharper Image: Featuring a newly upgraded optical lens with 92% light transmittance, the HY450C is noticeably brighter and sharper than the HY450. Enhanced User Convenience: The addition of the carrying handle and four bottom screw holes makes the HY450C more versatile for both portable and fixed installations.