• No Extra Power Needed. • Red Transparent. • 4 Led Animed. • Sound Pressure 95dBA at 1 Meter. • Fits DD-T Detector Base. • EN54-3/13 Certified. Cert.No: 0370-CPR-2648,COC: UAE-1177/PR-1801-064. • Height: 6.5cm, Diameter: 10cm, Weight: 196Gr.