Check the listing for details. Deltabell Plus Module Only, Grade 2. Condition: New. Listed at 42.30 USD. Backlit illuminated external sounderPolycarbonate weather proof baseExcellent deterrentLED low power strobeSuperior tamper protectionGrade 2 RatedTo be used with the Deltabell Dummy Base & Covers (sold separately)Around-the-clock deterrentThe Deltabell Plus features a fully backlit sounder with illuminated cover which is activated at night to provide an around-the-clock visual deterrent, with a choice of colours for both bases and covers.Combined audible and visual alarmThe Deltabell Plus backlit sounder produces a loud siren and strobe to alert neighbours of any intrusion into your property.Tamper protectionThe Deltabell Plus’ tamper proof design means that if the cover, base or power are altered the alarm will be triggered.Enhanced weather protectionMade with waterproof polycarbonate pla.