Features:The device is designed to function as a wireless transmitter and a receiver for studio flash， speedlite， and camera shutter.Featuring multi-channel triggering， stable signal transmission， and sensitive reaction， it gives photographers unparalleled flexibility and control over their strobist setups.The transceiver is suitable for Nikon hotshoe-mounted DSLR series cameras.With CellsⅡ-N， high-speed synchronization is available for most of studio flashes in the market.The max. flash synchronization speed is up to 1/8000s*.Speedlites and high-speed studio flashes** can also achieve high speed synchronization when used with specific models from Nikon DSLR cameras.Not all camera-flash combinations can achieve high speed synchronization.(* 1/8000s is achievable when the camera has a max camera shutter speed of 1/8000s; ** High-speed studio flashes refer to those having a flash duration shorter than 1/2000s and adopting IGBT technology.)The device features the following functions:1. As a Wireless Studio Flash Trigger2. As a Wireless Speedlite Trigger3. As a Wired Shutter Release(Normal Shooting & Long Exposure Shooting)4. As a Wireless Shutter Release(Normal Shooting & Long Exposure Shooting)Specifications:Model: Godox CellsⅡ-NPower Supply: 3V (2 * AA)(not included)Transmit Frequency: 433MHz wireless remote systemWorkable Distance: 100m (open areas)Max Sync Speed: 1/8000sChannel: 16 channelsItem Size: 15.5 * 5.6 * 3.5cm / 6.1 * 2.2 * 1.4in(antenna included)Item Weight: 84g / 2.96ozPackage Size: 13.5 * 4.5 * 19cm / 5.3 * 1.8 * 7.5inPackage Weight: Approx. 241g / 8.5ozPackage List:1 * High-Speed All-in-One Transceiver1 * N1 Remote Cable1 * N3 Remote Cable1 * Sync Cable1 * Sync Adapter1 * Mounting Screw1 * Lanyard1 * Instruction Manual(English)Note:Please read the instruction manual carefully to ensure that you can use the product properly and safely.Batteries are not included.There are 16 channels in the device. Set the two devices for transmitting and receiving on the same channel before use.