Features: Expand your control capabilities with this versatile 16 input/16 output RS485 remote control switchboard. Designed for ease of use, this switchboard handles a load current of up to 300MA per channel. Perfect for DIY enthusiasts and anyone seeking a reliable control solution. Create a more convenient and automated environment with this switchboard, ideal for security monitoring and LED lighting control. Simplify control of your electronic devices with this remote control switchboard. Specifications: Load current per channel: 300MA Package option: with/without rails Insulation level: Flame retardant level Working voltage: DC6.5-30V (7.5V 9V 12V 15V 24V) Working current: 8-50MA 16 photoelectric isolation ports 16 Darlington outputs 6 commands for 'turn on', 'turn off', 'instant', 'self-locking', 'interlock' and 'delay' 16 inputs can be remotely controlled via the RS485 bus to control the 16 outputs on another board (relevant registers must be set) Speed can be selected via jumper: 2400 4800 9600 19200BPS Size: about 100x72x20mm/3.94x2.83x0.79in (board only) 120x88x42mm/4.72x3.46x1.65in (with rail box) Weight: 64g (board only); 143g (with guide box) Note: Due to lighting effects and shooting angles, there may be some color differences, please understand. Please allow 1cm error due to manual measurement. Package includes: 1 x RS485 remote control board