Inim DAD 260/10 PP Bi-directional sound projector for Voice Alarm. Rated Power 10W@100V. SPL 85 (dB). Certified EN54 pt24. Indoor use (Type A) IP21. Speaker has 4 power adjustments (10/6/3/1,5W). Wall/Ceiling mounting. Aluminium housing. 3-pin ceramic block and thermal fuse.