LG 43LF5400 43-Inch 1080p LED TV (2015 Model) Refresh Rate: 60Hz (Effective). Backlight: LED (Edge LED). Smart Functionality: No Dimensions (W x H x D): TV without stand: 38.2" x 22.6" x 2.3", TV with stand 38.2" x 24.6" x 7.8" Inputs: 2 HDMI, 1 USB, 1 RF, 1 Component, 1 Composite, 1 Optical, 1 RS232 This product DOES NOT have a Digital Audio Out (Optical). This particular model has been designed with no connections available for use with an external Home Theater System Power Supply (Voltage, Hz) : 100V ~ 240V, 50/60 Hz