... 30 lumen, built-in battery Actual project image: Features:Mini Led projector, LCOS technology, LED lamp, with 720P (1280 * 720 pixels) movie source ... decode chip, VGA /AV input, Led 20 to 30 lumens, with MP3/MP4 function, Touch keypad ... (support computer 800 * 600 pixels).3. Brightness: Led 20 to 30 lumen4. Lamp: LED, over 20, 000 hours' lifespan5. Projection image ...