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
Pyronix Decoy Dummy Deltabell with Twin Battery Flashing LEDs PYDELTA2LED Alarm Components,Alarm Components > Decoy Bell Boxes
Deltabell-X with Lightbox | Security & Alarm System Product Range | Pyronix UK & ROI
Amazon.com: VI VINTRONS Battery for Pyronix Enforcer Deltabell Siren Alarm, CR34615M, : Electronics