This particular model uses SDS-Plus-type SDS chucks. It runs on a rechargeable battery, so it's completely wireless.
From Zoro
DeWalt DCH274P2 Brushless XR 3 Mode Quick Chuck Hammer 18V 2 x 5.0Ah Li-ion DEWD
Travis Perkins
DeWalt 18V Xr Brushless SDS Hammer with 2 x 5AH Batteries DCH274P2-GB
Cazaar Fancy Dress
DCH274P2 Brushless XR 3 Mode Quick Chuck Hammer 18V 2 x 5.0Ah Li-Ion DEWDCH274P2