eufy 4G LTE Cam S330 + Video Smart Lock S330

Forever Power : Empower your viewing to go anywhere you desire. Enjoy 24/7 off-the-grid freedom with the upgraded solar panel and a powerful 9,400 mAh battery. Seamless Connectivity with 4G and Wi-Fi: Ultimate security with uninterrupted access. If Wi-Fi signal is lost, the auto-switching 4G feature swaps to mobile data. Guaranteeing continuous use. Automatic Network Selection: The included 3-in-1 SIM card is compitable with AT&T, T-Mobile, and Verizon. It automatically selects the most stable network to optimize connectivity and ensure uninterrupted viewing. 3-In-1 Innovative Integration (2K HD Cam + Doorbell + Smart Lock) 0.3s Fingerprint Recognition, 1s Unlocking Remote Control and Access Management from eufy Security App 2K HD Resolution Clear Real-time View