The Opteka LTX80 Lightning & Motion Sensor Trigger allows you to trigger your camera to shoot super fast events such as lightning, fireworks and gunshots. The LTX80 also features a motion mode which triggers your camera when motion is detected and is perfect for security or wildlife. The LTX80 is compatible with the following cameras. Canon EOS: Elan series, 10D, 20D, 30D, 40D, 50D, 5D, 5D Mark II, 6D, 7D, 1D, 1Ds, 1DS Mark II, 1Ds Mark III, 1Ds Mark IV, 1D X, Digital Rebel (300D), XT (350D), XTi (400D), XSi (450D), T1i (500D), T2i (550D), T3 (1100D), T3i (600D), T4i (650D), T5i (700D), and XS (1000D), 60D; PowerShot G10, G11, G12, G15 & G1 X Nikon: D4, D3, D3x, D3s, D2, D2H, D2Hs, D2X, D2Xs, D1, D1H, D1X, D200, D300, D300x, D300s, D700, D800, D90, D600, D3100, D3200, D5000, D5100 and D7000 For Sony DSLR"s, search for model LTX80-S and for Olympus DSLR"s, search for model LTX80-O Specifications: Battery Type:2X "AAA" Motion Trigger Range:30 feet (10 meters) Lightning Trigger Range:Infinite Mount:Standard hot-shoe or 1/4" tripod thread Dimensions:4" x 2.25" x 1" (10 x 5.7 x 2.5cm) Weight:3 oz (85g)