Raitron NF-803A - RJ45 RJ11 BNC continuity

Specifications: Material: ABS Main functions: Test continuity of network cable, fixed phone cable, BNC cable and electric cable Transmitter Specifications The max.distance of cable: 305m Cable test types: RJ45, RJ11, BNC Tone mode: 2 tone adjustable Max.Signal voltage: 8Vp-p Max.distance of transmission: 600m for RJ45 & RJ11 100m for BNC Port RJ45, RJ11, BNC AC anti-jamming: No Protected against voltage: 48V, 5mA Power: 2 * 1.5V AA battery(not included) Low voltage indicate: 2.5+/-0.2V Size: 13.5 * 7.8 * 3.5cm / 5.31 * 3.07 * 1.38in Receiver Specifications Port: RJ45-8P Power: 2 * 1.5V AA battery(not included) Low voltage indicate: 2.5+/-0.2V Size: 20.3 * 4.5 * 3.3cm / 7.99 * 1.77 * 1.30in Item weight: 235g / 8.29oz Package weight: 556g / 19.61oz Package size: 22.7 * 13.4 * 6.5cm / 8.94 * 5.28 * 2.56in Package list: 1 * Transmitter 1 * Receiver 1 * Pair of earphone 1 * Set of RJ45 adapter cable 1 * Set of RJ11 adapter cable 1 * Cable clamp 1 * User manual