Quantity: 1 - Color: Black - Material: Plastic - Connection: Wireless - Compatible camera: Canon 1000D / 450D / 400D / 300D Pentax K20D / K200D / K10D - Wireless control distance: 50~70m - Working frequency: 433MHz - Transmission distance; 300m - Using mode: Single shot / Continuous shooting / delay shooting - Half-pressing is focus completely press the button is release the shutter - It's a wireless multi-channel remote controller - Packing list: - 1 x Remote controller (Powered by 1 x CR2025 battery included) - 1 x Receiver (Powered by 1 x CR123A battery 25cm) - 1 x CR123A battery (3V) - 1 x Chinese / English user manual