![Burglar alarm the suspect for hundred of mystery phone calls | Internet, phones & broadband | The Guardian Burglar alarm the suspect for hundred of mystery phone calls | Internet, phones & broadband | The Guardian](https://i.guim.co.uk/img/static/sys-images/Guardian/Pix/pictures/2014/1/8/1389201812285/Burglar-alarm-box-on-outs-006.jpg?width=465&quality=85&dpr=1&s=none)
Burglar alarm the suspect for hundred of mystery phone calls | Internet, phones & broadband | The Guardian
![Burglar alarm bell box, exterior bell box with strobe. View from the front. Close up (macro Stock Photo - Alamy Burglar alarm bell box, exterior bell box with strobe. View from the front. Close up (macro Stock Photo - Alamy](https://c8.alamy.com/comp/C6BF6P/burglar-alarm-bell-box-exterior-bell-box-with-strobe-view-from-the-C6BF6P.jpg)
Burglar alarm bell box, exterior bell box with strobe. View from the front. Close up (macro Stock Photo - Alamy
![CTB Alarms LTD on Twitter: "If this rusty old bell box is a familiar sight, you may want to consider upgrading your current alarm bell box . https://t.co/yWtbL3FFhG" / Twitter CTB Alarms LTD on Twitter: "If this rusty old bell box is a familiar sight, you may want to consider upgrading your current alarm bell box . https://t.co/yWtbL3FFhG" / Twitter](https://pbs.twimg.com/media/CiphELSXIAAmkZ9.jpg)
CTB Alarms LTD on Twitter: "If this rusty old bell box is a familiar sight, you may want to consider upgrading your current alarm bell box . https://t.co/yWtbL3FFhG" / Twitter
![XCELPLUS Siren Bell Box Alarm Battery intended for use with Pyronix DELTABELL used as a replacement for BATT-ES1, DELTABELL-WE, DELTABB-WE and LEDRKP / WHITE-WE, (BATT-ES1-2PCS) : Amazon.co.uk: DIY & Tools XCELPLUS Siren Bell Box Alarm Battery intended for use with Pyronix DELTABELL used as a replacement for BATT-ES1, DELTABELL-WE, DELTABB-WE and LEDRKP / WHITE-WE, (BATT-ES1-2PCS) : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/61GBgk-wSeL.jpg)
XCELPLUS Siren Bell Box Alarm Battery intended for use with Pyronix DELTABELL used as a replacement for BATT-ES1, DELTABELL-WE, DELTABB-WE and LEDRKP / WHITE-WE, (BATT-ES1-2PCS) : Amazon.co.uk: DIY & Tools
![CTB Alarms LTD on Twitter: "If this rusty old bell box is a familiar sight, you may want to consider upgrading your current alarm bell box . https://t.co/yWtbL3FFhG" / Twitter CTB Alarms LTD on Twitter: "If this rusty old bell box is a familiar sight, you may want to consider upgrading your current alarm bell box . https://t.co/yWtbL3FFhG" / Twitter](https://pbs.twimg.com/media/CiphESbWkAA_4-O.jpg)