The datavideo SE-500HD is a small, cost-effective, HD/SD digital video switcher with easy-to-use professional features. It offers 4 HDMI inputs and 2 HDMI outputs, supporting video formats up to Full HD 1080p. The SE-500HD also features an audio mixer with microphone, unbalance RCA audio inputs and RCA audio outputs. More features include Luma Keyer, PIP, Wipe Generator, Still stores and Tally.Main Features: Supports up to Full HD 1080p 4 video Input: HDMI x 4 2 Video Output: HDMI x 2 Audio input: Stereo RCA (L/R) x 1 + Microphone x 2 Audio Output: Stereo RCA (L/R) x 1 + Stereo headphone mini Jack x 1 Audio Mixer: MIC x 2 + Stereo x 1 + Internal digital embedded x 1 Wipe, Mix & Simple Cut Transitions Support Luma Keyer Picture-in-picture and split functions Tally OutputSpecifications Video Standard: Full HD & SDVideo Format: 1080p 50/59.94/60Hz 1080i 50/59.94/60Hz 720p 50/59.94/60Hz 576i 50Hz 480i 59.94Hz Video Processing: HDMI: YUV 4:4:4 10 bit, RGB: 4:4:4 Video Input: 4x HDMI Mix HD & SD Source: Yes Computer Graphic Interface: 4 via HDMIVideo Output: 2 x HDMI (1 is MV, 1 is PGM) HDMI 1 (PC) Loop Out Down-converted Output: Yes Built-in Multi-view Monitoring Out: HDMIAnalogue Audio Input: 1 x Stereo RCA (L/R) 2 x Mono MicrophoneAnalogue Audio Output: 1 x Stereo RCA (L/R) 1 x Stereo headphone (Mini Jack with volume control) Embedded Audio Support: Input 2 channels, Output 2 channels A+V Switching: Yes USK: Lumakey Picture in Picture: 1 Effects: FTB, Cut, Wipe with border Sync / Reference In/Out: Built-in Genlock (internal) Tally Output: 1x D-sub 15pin, dual color Built-in Audio Mixer: Yes, 4 channels Special Features: Built-in video scaler for mixed resolution inputs Chassis: Unibody Dimension (LxWxH): 400 x 250 x 82 mm Weight: 1.7 kg Power: DC 12V, 29W Operating Temp. Range: 0~40 C Options: CB-46/47/60/61/62What’s in the box: 1 x SE-500HD product 1 x AD Switch DC 12V with AC Cord 1 x Thank You Card