Wireless Tuya IP Intercom System Camera Monitor 720p Camera Night Vision Doorbell. Long Battery Life: Built-in 5000mAh battery offers about 30 days standby time with normal use. HD Video Quality: Features a 1MP camera with 1280x720 resolution and H.264 video format. Wide Viewing Angle: Equipped with a 140-degree wide-angle lens for comprehensive coverage. Smart APP Alerts: Real-time battery reminders via APP; alerts when power drops below 5%. Flexible Storage: Supports memory cards up to 64GB for extended video recording. Dual Screen Options: Available with 5.0-inch or 4.3-inch TFT color LCD screens. Multi-Certification: Compliant with RoHS, FCC, and CE standards for global safety. Wireless Design: Surface-mounted wireless installation for easy setup and flexibility.