CONNECT IT - WIRE-FREE DOOR BELL CHIME KIT  WITH 2 CHIME UNITS LONG OPERATION RANGE UP TO 50 METRES APPROXIMATELY 24 SELECTABLE CHIMES (FOR FRONT/BACK DOOR, ETC) LED OPERATION INDICATOR ON DOOR CHIME UNIT WATER RESISTANT BELL PUSH (IP44 RATED) BATTERY OPERATED BELL PUSH: 1 x 12V TYPE 23A/L1028 BATTERY (INCLUDED) CHIME UNIT: A/C POWERED (240V # 50Hz) BEAUTIFULLY PACKED ON A BLISTER CARD HAS A HOOK FOR BUSINESS RETAIL DISPLAY USE CE APPROVED