Product Description Resolution: 1366 × 768 FHD Power： DC12V, USB 5V Input Signal: HDMI-1 HDMI-2 Consumption: 10W Built-in speakers :YES Operation Mode: the Key operation Contrast: 800:1 Brightness: 250cd/m2 Backlight: LED Response time: 5ms Working temperature: -0 ° C ~ 60 ° C Weight: 508 G Working voltage: 5-12V Signal input: 2*HDMI Signal Transmission , 1*5V MIcro USB Powered Supply interface, 1*3.5MM EAR headphone interface, 1*12V DC Powered Supply. Dimensions: 305*192*14mm (L*W*D) Weight :508g/1.1lb Built in Speakers Adjusting the monitor volume 1) Press “UP” button at the first click on the back of the monitor. 2) If you want to increase the volume, press “UP” to set the desired volume. 3) If you want to decrease the volume and press “DOWN” button continuously, the volume will be decreased. Adjusting the monitor brightness 1) Press “Down” button at the first click on the back of the monitor button. 2) If you want to increase the brightness, press “UP” to set the desired brightness. 3) If you want to decrease the brightness and press “Down” button continuously, the brightness will be decreased. Support 75*75mm Vesa (Not include Vesa Stand) How to connect the display: 1) Using the supplied DC power cable, connect to the DC connector of the monitor and supply power to the monitor,If you supply power to the monitor via USB port, you must connect a USB UK power supply that meets (5V, 2A) 2) Connect the monitor to the device using the supplied HDMI cable; HDMI is a signal transmission interface. Note 1. If the power supply to the monitor is DC only and HDMI is not connected, “No Signal” will be displayed. 2. If only HDMI is connected and no DC is connected, the monitor will not be powered and the screen will be black. 3. Please note that connecting the monitor’s USB port directly to the laptop’s USB port to supply power will result in insufficient current. 2A or less will cause the monitor to enter power saving mode if insufficient current is supplied.