This is a wireless timer remote set made by PHOLSY. It supports interval shooting, bulb shooting, long exposure, etc., and is convenient for astrophotography and nightscape photography. By changing the cable, it supports cameras from various manufacturers such as Canon, Fujifilm, and Olympus. Battery-powered (uses 2 AAA batteries each). Overall, it has little signs of use and is in good condition. Set contents: - Transmitter - Receiver - Connection cables x 3 - 3.5mm TRS cable (straight) - 3.5mm TRS cable (L-shaped coil type) - Mini USB cable (for camera connection) - Hand strap (for transmitter) Please refrain from price negotiations.