Compatible With Lefant Robot Vacuum Cleaner M201 M210 M200 M300 M501 M520 T800 M571 Power Supply Charger | | ??????? Note :Please Check Compatible Model Listed Above Or Connector Photo To Ensure The Compatibility. | | Input Voltage Range: Ac 100V - 240V, Output: Dc 19V | | Over Voltage Output Protection, Over Current Output Protection. Short Circuit Output Protection. | | 30-Day Disclaimer Refund, 12-Month Worry-Free Exchange. | |