Hikvision DS-2TP31B-3AUF User Manual - Page 5

 Do not expose the device to high electromagnetic radiation or extremely hot, cold, dusty, or damp environments.  Place the device in a dry and well-ventilated environment.  Keep non-waterproof devices away from liquids.  Keep the device in original or similar packaging while transporting it.  A few device components (e.g., electrolytic capacitor) require regular replacement. The average lifespan varies, so periodic checking is recommended. Contact your dealer for details.  Never attempt to disassemble the device.  Improper use or replacement of the battery may result in explosion hazard. Replace with the same or equivalent type only. Dispose of used batteries in conformance with the instructions provided by the battery manufacturer.  The built-in battery cannot be dismantled. Please contact manufacture for repair if necessary. The battery type is E097-27-1P1S18650, and the rated voltage and capacity is 3.6 VDC/3.35 Ah (12.06 Wh). The battery may explode if it is replaced by an incorrect type. Dispose of used batteries according to the instructions.  For long-term storage of the battery, make sure you fully charge it every half year, to ensure the battery quality. Otherwise, you may damage the battery. If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired. Laser Light Supplement Warning Warning: The laser radiation emitted from the device can cause eye injuries, burning of skin or inflammable substances. Before enabling the Light Supplement function, make sure no human or inflammable substances are in front of the laser lens. Manufacture address: No.555 Qianmo Road, Binjiang District, Hangzhou 310052, China Hangzhou Hikvision Digital Technology Co.,Ltd SAVE THIS MANUAL FOR FUTURE REFERENCE 0504062000215