HPM Wireless Door Chime Set 30m Range White SKU: 109195 MODEL: D641/B Error. try again later You've successfully joined the club $ 28 .76 each Mitre 10 Variants Requires 3xC batteries and 1x12 Volt for bell press (not included). Features and benefits Battery door chime with bell press. Up to 30m range. Can be used as pager or panic switch.