The CelluCORE 20 Solar Combines the reliability and image quality of the CelluCORE 20 with an integrated solar panel to dramatically increase battery life. The solar panel detaches so you can adjust it to face the suns strongest position. It includes a rechargeable lithium-ion battery and can maintain a full charge for up to 70 images per day with adequate direct sunlight. High output IR LEDs for best-in-class night range and battery life. The Dual-SIM configuration of the CelluCORE 20 Solar allows it to automatically connect to AT&T or Verizon?whichever offers the strongest cellular network based on your cameras location.