The Ezviz C3A intelligent WLAN security camera is a 100% wireless camera that looks narrower and can cover any angle. It is weatherproof and robust and offers maximum indoor and outdoor performance all year round. The integrated SD card slot in the C3A camera allows recordings up to 128 GB. If you choose an Ezviz W2D battery-powered camera, you can control six C3A cameras together and extend the battery life of the C3A by up to nine months.