iiiImportant Safeguards and Warnings1.Electrical safetyAll installation and operation here should conform to your local electrical safety codes.The product must be grounded to reduce the risk of electric shock.We assume no liability or responsibility for all the fires or electrical shock caused by improperhandling or installation.2.Transportation securityHeavy stress, violent vibration or water splash are not allowed during transportation, storage andinstallation.3.InstallationKeep upwards. Handle with care.Do not apply power to the NVR before completing installation.Do not place objects on the NVR.4.Qualified engineers neededAll the examination and repair work should be done by the qualified service engineers.We are not liable for any problems caused by unauthorized modifications or attempted repair.5.EnvironmentThe NVR should be installed in a cool, dry place away from direct sunlight, inflammable,explosive substances and etc.This series product shall be transported, storage and used in the specified environments.6. AccessoriesBe sure to use all the accessories recommended by manufacturer.Before installation, please open the package and check all the components are included.7. Lithium batteryImproper battery use may result in fire, explosion, or personal injury!When replace the battery, please make sure you are using the same model!Before your operation please read the following instructions carefully. Installation environment Keep away from extreme hot places and sources; Avoid direct sunlight; Keep away from extreme humid places; Avoid violent vibration; Do not put other devices on the top of the NVR; Be installed in well ventilated place; do not block the vent.