Specifications: 1 x Doorbell Mount, 1x 5V1A Certified Adapter, 1 x 18ft / 5.5m, Type-C Extension Cable, 1 x Phillips Screwdriver, 10 x Line Clips, 1 x Screw Pack, 1 x Instruction manual 1 x VHB Double Sided Adhesive Sticker, Rhorawill, 5.67 L x 2.2 W x 1.89 H inches, 0.249 kilograms