The latest addition to the HD detector line, the HD4 is a high-quality, multi-functional detector. Based on the previous XTE model, the improved circuit boards and features result in a high-performance detector with excellent value for money and reliability.

It includes adjustable 4-color LEDs (red, yellow, green, blue), a 15-second LED on after a touch, a 30-second "mute" function, removable anti-ejection heads, 4 levels of volume, tone and sensitivity, rear differentiation, nightlight mode, a range up to 150m, a 2.5mm power output jack, low battery warning, and a high impact molded ABS construction.

Key features:

• Detachable anti-ejection heads
• LED ultra-brilliant long life
• Nightlight
• Stainless steel mounting screws
• Outlet socket
• Non-slip soft rubber insert
• On/off/nightlight button
• Volume control
• Tone control
• Sensitivity control
• Power supply
• Power on/off button
• Volume control / vibration function
• Tone control.