1. air conditioning UVC system 2. air sterilizer with 15 watts of UVC 3. Bulb lifespan: 12,000 hours operational Model: UV15SLightwave: UV-C primarily in the 253.7nm wavelengthUV intensity: 37 uW/cm2Bulb lifespan: 12,000 hours operationalUVC power: 15 wattsDimension: 120 x 90 x 400 mmBallast: insideVoltage supply: AC220V, 50HzCassette Medical UV Air sterilizer