characteristics 1. LED status screen 2. Automatic open/short/cro circuit checking 3. Single-key operation 4. Manual/automatic shutdown (after10-minute inactivity) 5. Low battery indication 6. Power supplied by 9V battery Spe Technology Specifications Range of UT681HDMI description Test function To test: HDMI/MINI-HDMI & Radic; Test mode scanner & Radic; LED1 ~ LED19.. LED_S The test mode screen & Radic; LED1 ~ LED19.. LED_S A test for the case of short circuit croed open circuit etc. & Radic; Ethernet cable: shielded/unpaked test & Radic; Manual shutdown function & Radic; Auto shutdown function & Radic; No operation within 10 minutes the device shuts down automatically Key operation only & Radic; Power supply: 9V battery & Radic; Low battery detection & Radic; Le than 7.2 V Application environment Operating temperature: 0~40C & Radic; Storage temperature: -10~50C & Radic; Operating humidity: 20~80% RH & Radic; Storage humidity: 10~90% RH & Radic; Altitude: 2000 meters & Radic; Security standard EC EN61326-1: 2013; EN61326-2-2: 2013 & Radic; General Characterisitics Product color Red and gray Net product weight Transmitter: 87g; Receiver: 51g Product size Transmitter: 102mm x 62mm x 28mm; Receiver: 102mm x 37mm x 28mm Standard acceories No battery Individual packaging standard Manual gift box in English Standard quantity per cardboard box 40 Pcs Standard carton measurement 455mm x 410mm x 225mm Gro weight of standard cardboard 9.5 kg