Shock, twist lock bead function (motor can be controlled rotation around), with 10 kinds of spoons head open, select the appropriate head hit the spoon to fill the sponge, stick into the lock cylinder, to adjust to the direction of rotation to open, press the switch, you can quickly open spoon head down and corresponding bead locks, but some of lock bead damage, 21V rechargeable lithium battery, suitable for all kinds of garden AB and half spoon locks.