Perimeter Warning Lamp & Buzzer – Shock Proof and Waterproof. QNDE| 45297 Perimeter Warning Lamp & Buzzer – Shock Proof and Waterproof. Print QNDE| 45297 Health Canada and the RED Act require a warning lamp and buzzer when doing X-rays (depending on local requirements). The rugged IP67 lamp is controlled and powered by the X-ray control unit. Yellow flashing light and 94dB buzzer (before X-ray ON), Red flashing light (while X-ray ON). Shock proof lamp (MIL-STD-202F), it comes with a 98.43' (30m) cable and a magnetic stainless hook to install in a visible location. QPWL-EVO: Perimeter Warning Lamp & Buzzer – Shock Proof, Waterproof – For Comet EVO Systems. QPWL-XMB: Perimeter Warning Lamp & Buzzer – Shock Proof, Waterproof – For Comet XMB Systems. QPWL-ICM: Perimeter Warning Lamp & Buzzer – Shock Proof, Waterproof – For Teledyne/ICM Systems. Request for information