Description: Aputure Pro Coworker Wireless Remote Shutter and RF Radio Transmitter For Canon EOS Digital Rebel The Aputure Pro Coworker is the world's first remote conrol kit with an exchangeable cable feature-simply change a cable to control another camera. It enables longer ranges and avoids line-of-sight issues while shooting. This kit is a must for special purpose such as landscape and wildlife photography where remote shutter triggering is essential. Main Feature as Follows: Power Exhausting Prompt Design Bulb \/ Continuous shooting enabled Auto-focus with shutter button half-press Effective remote distance at open area 40-50m or 150ft Wired and wireless two operation methods free to choose 16-unquie-channels supports multiple user environment Ultra low-power consumption benefits a longer period of use Specification: Channel: 16 Wireless Frequency: 433MHz Receiver Standby Time: About 800 Hours Work Indicator: Double Color LED Indicator Wireless Protocol: 2.4G FSK Radio Signal Batteries 2 AAA batteries required. (included) Remote Control Distance Range: 40 to 50 Meters or 135ft Transmitter Power Source: 12V\/ 23A Battery (Battery Not Included) Receiver Power Source: 2 !#!amp!*!times; AAA Battery (Battery Not Included) Transmitter Usage Time: 20，000 Times (Continuous Press) Transmitter Dimensions: 100 x 35 x 25mm (L x W x D) Receiver Dimensions: 90 x 30 x 16mm (L x W x D) Transmitter weight: 23g Receiver weight: 40g Transmitter: Slide the battery-chamber cover from the back of the transmitter and insert One 12V\/ 23A battery ( enclosed in package ) Reciever: Slide the battery-chamber cover from the back of the transmitter and insert Two AAA 1.5V alkaline batteries ( enclosed in package ) Compatible Sheet: Aputure Code Equivaleent of Original Model Pro Coworker 1C All cameras Compatible with Canon RS-60E3 cord Pro Coworker 3C All cameras Compatible with Canon RS-80N3 cord Pro Coworker 1N All cameras Compatible with Nikon MC-30 cord Pro Coworker 2N All cameras Compatible with Nikon MC-DC1 cord Pro Coworker 3N All cameras Compatible with Nikon MC-DC2 cord Pro Coworker 1S All cameras Compatible with Sony RM-S1AM cord Pro Coworker 3L All cameras Compatible with Olympus RM-UC1 RM cord Pro Coworker 5L All cameras Compatible with Olympus RM-CB1 cord Pro Coworker 1P All cameras Compatible with Panasonic DMW-RS1 c