Main Specifications Size: 116.5mm (H) x 33mm (W) x 15.1mm (D) Weight: Approx. 35g (excluding battery) Included: Lithium coin battery (CR2032) Compatible Models α9 II / α7R IV / α6600 / α6100, RX100 VII α7R III / α7 III: Compatible with software update Ver. 3.0 or later α6400: Compatible with software update Ver. 2.0 or later α9: Compatible with software update Ver. 6.0 or later RX0 II: Compatible with software update Ver. 2.0 or later Compact System Communicates with the camera body's Bluetooth module, realizing a compact system without an external receiver. The commander unit uses a lithium coin battery, enabling a slim design. ● Uses Bluetooth for wireless communication. Remote operation is possible even in sunlight or when there are obstacles between the camera and the photographer. ● Fast and reliable response to button operations. ● Feedback function to confirm the shooting status via LED lighting and flashing. ● Dust-proof, drip-proof, and designed to withstand high and low temperatures, regardless of the shooting environment. No need to connect cables or receivers, so there is no need to open the camera body's terminal cover, maintaining the system's dust-proof and drip-proof performance. ● Communicates with the camera body's Bluetooth module. Realizes a compact system without an external receiver. The commander unit uses a lithium coin battery for a slim design. New price: 8,470 yen (Amazon price) Everything in the photos is included. Free shipping Carefully packaged Ships as quickly as possible