1. specifications receiver shell size: 2.68 inch x 1.73 inch x 0.98 inch material: sturdy plastic standby current: 7 mA working current: 35 mA remote frequency: 133 MHz 2. manual control option upgraded to include manual control pins that can be connected to a manual switch mode switching should be performed when the device is powered off 3. intelligent design poweroff state: the controller stops the motor when power is cut and retains its state when power returns smart code builtin selflocking, interlocking, and nonlocking function conversion slots 4. adjustable limit function if you choose not to install the limit, the unit can be configured for convenient motor movement if you install the limit, you can convert it to interlock use by simply pressing stop at the desired motor position 5. use scenarios scenario 1: remote controlled small cabinet door or gate where reliable poweroff safety and consistent state on power recovery are important scenario 2: adjustable automation for sliding systems such as window blinds or linear actuators, offering flexible limit options and manual switch compatibility scenario 3: DIY robotics or hobby projects that require manual control pins, optional limits, and configurable interlock or nonlocking modes