Package List: 1 x Pipe Inspection Camera Receiver 1 x USB Cable 1 x Charger 1 x User Manual Speaker: Support Detection Mode: Far/Near Pipe Inspection Camera 8-10 Hours & Two Reception Modes These inspection devices can reach and explore spots in wastewater systems, stormwater systems, pipelines of different kinds, drains, ducts, and other hard-to-see areas. Our professional sewer snake camera will satisfy both industrial and home needs with so many outstanding features (4.3-inch 1200TVL color monitor, stainless steel IP 68 camera, powerful and long-lasting battery, extra-long cable, etc. These are not include). Receiver Frequency: 512hz Power Consumption: <3w Distance: Far about 5 meters and near about 1 meter Built-in Polymer Lithium Battery: 3000mah Charging Time: About 6 Hours Battery Indicator: 3 Level, Flashes when Battery is Low Battery Working Time: About 10 Hours Signal Strength: 6 Level The receiver has a built in induction coil for receiving the magnetic signal from the pipe, and the transmitter head is loaded by the microcontroller and transmits the signal of a specific frequency. The receiver has two receiving modes: far (note: about 5 meters) and near (note: about 1 meter). Adjust the sensitivity knob, peak mode (max) or zero mode (min) to position the transmitter. The 512hz locator locates problem locations faster, effectively solving the arduous task of inspecting sewer pipes, gutters, and narrow underground environments. Built in polymer lithium battery, 3000mAh (receiver), LR44/160mAh (transmitter), charging time is 6 hours, battery working time is about 10 hours. 3 level battery indicator light.