Ideal for self-portraits and group photos. Prevents blurriness caused by camera shake when manually triggering the shutter. Allows for locking the shutter in bulb mode for long exposures. Features: Infrared remote (wireless) with a range of up to 8 meters. Compatible with: Sony A230, A290, A330, A380, A390, A450, A500, A550, A560, A580, A700, A850, A900, A33, A55, A65, A77, A99 as well as Sony NEX 5N, NEX 7, NEX 5, NEX 6, NEX 5R and all other Sony models that work with the infrared remote RMT-DSLR1 or RMT-DSLR2.