The LR4-BU with BUZZER UNIT, TOWERLIGHT, 40MM, SILVER manufactured by Patlite is an industrial visual sign. It features a buzzer unit, towerlight, and a 40mm diameter silver lens with a 7 watt rating and an IP rating of 54 (water proof). The buzzer unit produces a loud sound to alert and draw attention in areas of high noise, such as factories and workshops. The towerlight is illuminated in one of three colors depending on application, either red, green and yellow. The buzzer unit and towerlight are connected to a single piece of equipment, simplifying installation, and increasing durability. The LR4-BU is designed and manufactured to ensure a safe and secure environment in industrial applications.