Key function: 1. Upgrade contents of the memory card (or Built-in memory) by simply inserting an USB flash drive. 2. Timer function: the player turns on/off at the same time everyday according to your setting. 3. Function keys on the player can be disabled or enabled. Main function: 1. Play mp4 advertising video, mp3 music and digital photos; Built-in 19 inch TFT LCD screen (LCD ratio : 16 : 9), with tempered glass protection; easy-to-install on supermarket shelves, tabletop, showcase and lift, etc.; Plastic casing . 2. Play from: --Compact Flash card (CF card) --USB flash drive --Built-in memory. 3. Upgrade contents of the memory card (or built-in memory) by simply inserting an USB flash drive, no need to take out of the memory card. 4. Timer function: the player powers on / off automatically everyday at the time pre-set; It can also automatically play and non-stop replay within the pre-set time frame 5. No DVD style mechanical movement, hence more durable and suitable for long-hour advertising playing. 6. 7 function keys on the players, they can be turned on/off. 7. Theft-protection device effectively prevent the player and CF card from being stolen in public place and protect the power cord being pull out easily. 8. Audio output: 2 built-in high quality stereo speakers. 9. With professional easy-to-use stand set; hang on wall or stand on table. Technical specifications: 1. TFT LCD screen: Size: 19 inch Resolution: 1440 x 900 Brightness: 300cd/m2 View angle: left / right 60íp, up 40íp, down 60íp Contrast: 800 : 1 . 2. Compatible file formats: Picture formats: BMP/JPEG/GIF Audio formats: MP3/WMA Video formats: MPEG1(VCD), MPEG2(DVD), MPEG4. 3. Play from: Memory flash: CF Card Built-in Flash memory: (optional) USB drive: high speed USB 2.0 (Host & OTG). 4. Output: Built-in loudspeaker power: 2 x 2W. 5. Others: Casing material: Plastic (ABS+PC) Installation: shelf/wall-mounted or to be installed on desktop Power supply: DC12V, 48W Dimension(mm): 515(L) X 300(W) X 51(H) net weight: app. 5kg Working temperature: 0íµ-40íµ Working humidity: 20% - 80% Storage temperature: -20íµ - 60íµ Storage humidity: 10% - 95%. 5.6kg/pcs.