Parameter Project Technology  DLP Technology Native Resolution  1280*720P Contrast ratio  1000 : 1 Brightness  300ANSI lumen Light Source  LED Lamp Life  30,000hrs Aspect Ratio  16 : 9 Size  202 x 101 x 125mm Lens focusing   Remote control Keystone Correction  +/-15 degrees Horizontal and Vertical Built-in Speaker  1* 3W Application scenario  business office, training and education Storage  1GB RAM+8GB ROM Expansion support  USB/TF card Timing switch  Supported Open and close sensor  support Description WiFi+4 G network: The elevator projector is equipped with WIFI and 4G networking functions. When connected to the network, it can realize independent remote control, can play and change advertising content freely through terminal operation. The operation is more convenient and quick to realize the replacement of product advertising DLP digital projection & Efficient advertising dissemination: Adopt advanced DLP projection technology, the projection picture is brighter and clearer, with 720P physical resolution, 1000:1 contrast, 350ANSI Lumens brightness, can ensure that in the elevator environment playing high definition and high brightness advertising video, smooth playback without lag. The shocking visual effect can make the elevator passengers' eyes shine, and the dynamic picture can leave the passengers a more profound impression on the advertising content, and effectively improve the advertising communication rate. Strict quality control and warranty service: strictly in accordance with industrial standard research and development, to ensure that 365 days a year, 24 hours a day normal operation, low failure rate, stable performance! Two years of repair service and three months of replacement.