HDSL-135R Heavy Duty Sound and Light Alarm Product Category: Industrial Sound and Light Alarm Equipment Name: HDSL-135 Heavy Duty Warning Light With Siren Features Heavy Duty Sound and Light Signal Alarm, Integrated with High Brightness LED and High Power Speaker. Cast aluminum shell with high strength and corrosion resistance. Equipped with metal protective mesh. Suitable for outdoor places such as cranes, ships, ports, mines and oil fields. Switching quantity control facilitates the connection of various external control devices, such as relays and remote switches. Flashing light form: Rotating light bulb, LED strobe xenon gas lamp. Explosion working voltage: DC12V, DC24V, AC110V, AC220V, AC380V. Sound pressure: Max.120dB/m (adjustable volume). The alarm tone is equipped with the following 10 built-in alarm tones. Select 5 of them and control them separately through 5 signal wires and 1 common wire. 1. Fire 2. Public security 3. Ambulance 4. Intermittent 5. Continuous 6. Emergency 7. General alarm (seven short and one long) 8. Electric bell 9. Whistle 10. Electric 11. Anti theft 12. Warning control method internal switch selection alarm adjustment/external signal line triggering alarm material lampshade: PC body: cast aluminum horn cylinder: iron protective cover: iron protection level IP66, working temperature -50 ℃~+70 ℃, weight 3.4Kg. HDSL-135R heavy-duty sound and light alarm. Shandong Zhuoxin Machinery Co., Ltd. is located in the economic capital of Shandong, China. It mainly engages in the production and sales of instruments, automation equipment, and complete sets of supporting products. Its main products are sold to factories, mines, power plants, and universities all over the country. Our products include non-destructive testing equipment, ultrasonic thickness gauges, coating thickness gauges, vibration gauges, noise gauges, infrared thermometers, pressure gauges, pressure controllers, oscilloscopes, power supplies, bimetallic thermometers, thermocouples, thermistors, temperature transmitters, proximity switches, rope switches, deviation switches, push-pull force gauges, testing machines, and other supporting products< br/>