Epson EF-72. Projector brightness: 1000 ANSI lumens, Projection technology: 3LCD, Projector native resolution: 4K (4096x2400). Light source type: LED, Service life of light source: 20000 h. Fixed focal length: 16.6 mm. Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac). Noise level: 28 dB, Noise level (economic mode): 22 dB, Preset modes: Bright, Cinema, Dynamic