Feature:1. [Good Light Transmittance] Equipped with a high quality shell, has good light transmission performance and good gloss.2. [Impact Resistance] Made of ABS material, the sound and light alarm is sturdy, durable and impact resistant.3. [Good Insulation] Using sophisticated production technology, the sound and light alarm has good insulation and long service life.4. [Low Temperature and Heat Resistance] The sound and light alarm has low temperature resistance and heat resistance.5. [Wide Coverage] Covering a wide range, suitable for toilets, schools, hospitals, nursing homes and other places.Specification:Item Type: Sound Light AlarmMaterial: ABSModel: 103Uses: Suitable for Toilets, Schools, Hospitals, Nursing Homes and Other PlacesRated Current: ≤300mAFlashing Frequency: 150 Times/MinuteBuzzer Level: ≥110db/30cm.Package List:1 xSound Light Alarm 2 x Screws2 x Expansion Tubes