Yolink YS7903-UC User Manual page 27

If your device does get dirty, please clean it by wiping it down with a clean, dry cloth. Do
not use strong chemicals or detergents, which may discolor or damage the exterior
and/or damage the electronics, voiding the warranty
Do not install or use this device where it will be subjected to physical impacts and/or strong
vibra on. Physical damage is not covered by the warranty
Please contact Customer Ser vice before a emp ng to repair, disassemble or modify the
device, any of which can void the warranty and permanently damage the device
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