High-quality metal construction for strength and durability;
Automatic connector: Quick, safe connection, fitted all 3.5V head;
Rheostat: stepless brightness control;
Automatic ON/OFF: If the handle is switched on when replaced in the charger, it automatically switches off. When removed, it switches on again.
Rechargeable lithium battery can be replaced after a long time;
Need to use charger DT801/DT802 charger.