BOSCH PIRs and a LOUD 105db Bell Box! The detector also features an easy fit two piece design. BOSCH PIRs. Wired Burglar Alarm System Scantronic I-on 10 Pro Kit with LCD Keypad &. The kit includes a EN50131 compliant Live bell box of a slimline modern design with an integratedLOUD 105db siren, strobe, back up battery, warning / status light and is fully tamper protected.
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