The CelluCORE 20 Solar combines the reliability 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. The Dual-SIM configuration of the CelluCORE 20 Solar allows it to automatically connect to AT&T or Verizonwhichever offers the strongest cellular network based on your cameras location. Features optimized antenna; high output IR LEDs for best-in-class night range and battery life; sorts images by weather, wind, moon and more; make setting changes through your phone on the app; Sub 1 second trigger speed; 20 MP images; 80' night and detection range; HD video saved to SD card and a 12 AA removable battery tray, *Batteries and SD card not included. ** Bushnell recommends Energizer Brand Lithium batteries and San Disk Brand SD cards 32GB capacity. Bushnell does NOT RECOMMEND the use of Micro SDs or SD Adapters.