1. Working voltage: dc7.5-24v 2. Output channel: can be used 3/2/1 channel 3. Output current: 4a*3 4. Connecting method: common anode 5. Dimension: l105.5*w45*h23mm 6. Remote distance: 50 meters indoor, 100 meters outdoor 7. Software: android system (at least version 2.3 with wifi function) or ios system, Language : english/chinese. 8. Receiver sensitivity: 802.11b dsss(-5dbm)£¬802.11b cck (-10dbm) 802.11g ofdm(-15dbm) 1. Working voltage: dc7.5-24v 2. Output channel: can be used 3/2/1 channel 3. Output current: 4a*3 4. Connecting method: common anode 5. Dimension: l105.5*w45*h23mm 6. Remote distance: 50 meters indoor, 100 meters outdoor 7. Software: android system (at least version 2.3 with wifi function) or ios system, Language : english/chinese. 8. Receiver sensitivity: 802.11b dsss(-5dbm)£¬802.11b cck (-10dbm)£¬ 802.11g ofdm(-15dbm) Dimension: l105.5*w45*h23mm