The Hikvision DS-2DE2C400IWG-K/4G/C05S10 is a 4MP solar-powered PT camera built for remote and off-grid sites. It blends PIR + Radar dual detection, 4G LTE, Smart IR (30 m), two-way audio, on-board storage up to 512 GB, and IP66 durability to deliver always-on, professional outdoor security.