Quickly switch from flash metering to taking photos with this Shepherd/Polaris PFT-28s Wireless Transmitter for the Polaris wireless system. It easily integrates into a setup by enabling a camera to trigger the same flash receivers as the Karat light meter. It also boasts a powerful 2.4 GHz frequency with a range of up to 300'. Also, it offers 16 channels for ensuring signals won't get mixed up with other users. The transmitter mounts simply to a camera's hot shoe and will sync at speeds up to 1/250 second. It even offers a shutter release/test button and can be set to instant, bulb/continuous, and delay shooting modes. Additionally, it runs on one CR2032 battery and has an accessory port for connecting to a triggering other devices.