ELECTRICAL UNDERGROUND MARKER TAPE 150MM X 500M atlas workwear 4 MHz Operation Mode: Size:2XL 4 MHz Operation Mode: Simplex VIBRACALL: Yes Scan: Yes Low Battery Indicator: Yes Auto Power Save: Yes Monitor: Yes High Low Power Select: Yes Key Lock: Yes Roger Beep: Yes Squelch: Yes (Automatic Adjustment) VOX: Yes (2 Level Adjustment) Operates with: Battery pack 800mAh 4 AA rechargeable batteries (dry cell option) Autonomy: 5 5 90 Up to 18 hours with 800mAh BP Display: Backlit multi function LCD Connections: Audio accessory jack Guaranteed to keep you comfortable and cool all day Allows easy identification and location of pipes and cables beneath the ground This orange underground electrical tape with bold black text is ideal for securing potentially hazardous underground areas