Power Source : Battery Refill Type : Cartridge Coverage Area : 20 Ft Refill Life : 12 Hr Housing Color : Black Indoor/Outdoor : Outdoor Dimensions : 4 In L X 4 In W X 6 In H Includes : (1) 12 Hr Refill Repellent Cartridge, (1) Rechargeable Repeller With Built-In Lithium-Ion Rechargeable Battery, (1) USB Charging Cable