【Brand and Model】 This is the TC-2006 model made by ROWA JAPAN. It offers reliable performance as a high-quality camera accessory. 【Functionality】 It is equipped with a timer function, allowing for unlimited repeated shooting, which is useful for astrophotography. It can also be used as a remote switch to prevent camera shake. 【Power and Specifications】 It uses two AAA batteries. This product is for Nikon cameras, but please note that it may not be compatible depending on the shape of the connector that connects to the camera. (Batteries are not included) Used a few times and in excellent condition. - Brand: ROWA JAPAN - Model: TC-2006 - Power: 2 AAA batteries - Function: Timer function remote release Available for immediate purchase.