1、[Convenient Control] This offline controller features 24 key control design, allowing users to easily modify machine parameters directly through offline control. 2、[Multi Functional] The offline controller can be paired with stepper servos for manual toolpath drawing and position memory, enhancing flexibility in operations. 3、[Emergency Stop Function] Equipped with an emergency stop button, this 3 axes engraving machine offline controller provides added convenience to respond to emergency situations. 4、[Firmware Upgrade] Directly upgrade the motherboard and offline controller firmware through the offline controller, eliminating the need for complicated software updates. 5、[Power Adjustment Support] The offline controller supports laserpower and spindle power adjustment, and small memory card file reading, providing enhanced control and convenience. Item Type: Engraving Machine Offline Controller Material: ABS Keys: 24 keys Drive: No driver needed Compatible System: for benbox three axes engraving machine motherboard Connection Method: Five wire communication Small Memory Card: Included 1 x Engraving Machine Offline Controller (With Small Memory Card) 1 x Communication Cable