RF-603C II Wireless Remote Flash Trigger C3 Replacement for Canon 5D 1D 50D

Features:<br> The new RF-603 II is improved version of RF-603, it is a remote shutter release as well as a multi-functional flash trigger which can synchronously trigger flashes and studio strobes.<br> Through the transceiver based system each item can be used flexibly as trigger or receiver.<br> Only 2 AAA batteries are required as power source for each item.<br> The 2.4GHz wireless frequency is suitable in most countries and guarantees high speed, distance and stability. Within capacious areas, the remote control distance may reach to 100m.<br> The synchronization speed can reach to 1/320, depending on the situation.<br> Improved features:<br> 1. Hot shoe locking system to prevent from slipping off<br> 2. Switch on side for easy operation<br> 3. Enhanced self-detecting system<br> Functions:<br> Supports single contact triggering.<br> Can achieve wired and wireless remote shutter release function.<br> Flash Trigger: to fire the Flash Speedlite; to fire the Studio Strobe light (You need to purchase an extra 6.35mm cable to fulfill this function).<br> You can use ABOVE TWO FUNCTIONS simultaneously.<br> This listing is for C3 version:<br> Replacement For Canon 1D 5D 7D 10D 20D 30D 40D 50D<br> <br> Specifications:<br> Type: FSK 2.4GHz wireless remote sustem<br> Transmitter distance: 100M<br> Channel: 16 channels<br> Release: half-way press, full-way press<br> Receiver interface: one is 2.5mm socket<br> Studio flash light interface: Standard PC socket<br> Battery type: 2 * AAA (not included)<br> Stand-by time: Up to 45hours (TRX); up to 400hours (TX)<br> Item size: 80.7 * 31.3 * 25.9mm / 3.2 * 1.2 * 1.0in<br> Item weight: 44g/ 1.6oz (each)<br> Package size: 16 * 9 * 4.5cm / 6.3 * 3.5 * 1.8in<br> Package weight: 177g / 6.2oz<br> Package List:<br> 1 * Tranceiver<br> 1 * Receiver<br> 1 * Shutter connecting calbe C3<br> 1 * Manual (English)