Kit Includes: 1 x Deltabell Dummy Base Blue 1 x Deltabell Cover White 1 x Deltabell E Module Only Grade 2 3 way tamper protection Polycarbonate housing offers weather proofing and elegant design Sealed electronics Low power strobe LED activated on alarm Low power piezo with high performance 104db audible alarm Grade 2rated To be used with the Deltabell Dummy Base & Covers (supplied with) Visual Deterrent and Alarm Indication Low power strobe LED technology provides a visual indication when the alarm is activated. Easy to Install The auto-levelling mechanism uses rotating guide holes and a spirit level to facilitate the simple and easy positioning of the sounder. Engineer hold-off will disable the sounder when in the Engineers Menu allowing installers to work on the sounder without the fear of unwanted activations. When the control panel is in Engineers Mode the Deltabell E external sounder will go into remote engineer hold. The hinged lid allows for easy access to the electronics. Weather Proof Polycarbonate plastics offer a weather resistant housing with an elegant design. Highly Effective Audible Alarm Low power Piezo with high performance decibels provide a loud audible alarm ensuring alarm activations are heard and acted upon. Tamper Proof Tamper protection ensures the highest levels of security against accidental or malicious tampering with the system. Activation from the front back and power supply cut-off ensures protection from sabotage attempts. In this situation the siren will activate independently from the control panel.Technical Specification:Loudness: 104 dB(A) Optional comfort LED: Yes Sound and light indication on alarm: Yes Engineer hold off: Yes Number of Piezos: 1 Flashing LED: Yes Comfort LED: Yes Back-lit: No Tamper protection: Yes Strobe duration and frequency: 10mS 1Hz Sounder maximum duration: 15 mins SAC (self actuating bell) / SAB (self activating bell) option: Yes Self levelling: Yes Certified operating temperature: -25C to 60C Nominal operating temperature: -30C to 60C Battery type: NiMH 7.2V 250mAh Battery life: 2 – 5 years Operating voltage: 9-16V Alarm current: <250mA Quiescent current consumption: <30mA Security Grade: Grade 2 Environmental class: IV EN Certificate: EN50131-4:2009 Certification type: Self-certified Electrical conformity: CEWarranty: 2 Years