36MP/2.7K/0.2s Trigger Trail Camera HD Outdoor Game Camera Waterproof Hunting Infrared Night Vision Camera HC-900A

SKU: KF35.003

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You can take out the memory card, use a card reader to transfer the captured content to the computer, and view it on the computer 
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No, you can choose 5V AA battery or an external 6V2A external power supply. 
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Yes, you can find the number of photos in the settings, just set it to 3 
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The camera is dark when taking pictures, so you won’t be noticed when taking pictures at night, so it won’t disturb wildlife.