Hisense C3. Projection technology: DLP, Projector native resolution: UHD 4K (3840x2160), Contrast ratio (typical): 2000:1. Light source type: Laser, Service life of light source: 2500 h. Zoom ratio: 1.3:1. HDMI version: 2.0/2.1. Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Browser supported: Odin, Bluetooth profiles: A2DP, AVRCP