Campainha visual U9 WiFi sem fio 2.4G 720P HD com visão noturna infravermelha, modificador de voz, alerta de movimento PIR e aplicativo Smart Home para casa e apartamento.

U9 WiFi Visual Doorbell Wireless 2.4G 720P HD IR Night Vision Voice Changer PIR Motion Alert X Smart Home APP for Home Apartment 1. HIGH‑DEFINITION 720P SMART VIDEO DOORBELL   U9 wireless doorbell features 720P HD resolution with 90° wide viewing angle, supporting 2.4G WiFi and stable remote access via X Smart Home APP. Clear real‑time images allow you to check visitors anytime, anywhere for enhanced home convenience.   2. IR NIGHT VISION & PIR MOTION DETECTION   Equipped with 850NM IR lights, it automatically switches to night mode for clear black‑and‑white vision. PIR motion detection enables instant snapshot, alert reminders and cloud storage, effectively protecting your home and improving daily safety.   3. LONG‑LASTING BATTERY & WIDE TEMPERATURE RANGE   Powered by 2 × 18650 3600mAh batteries with Type‑C fast charging, it provides long standby time. Working from -20℃ to 45℃, this doorbell works stably in cold and hot seasons, perfect for all‑weather EU home use.   4. EASY INSTALLATION FOR VARIOUS HOME SCENARIOS   Ideal for homes, apartments, villas, offices and hotels. Simple installation with USB‑powered chime ensures quick setup. Supports instant alerts, voice intercom and voice changer for flexible visitor communication at your door.   5. EU COMPLIANT & COMPLETE KIT   Package includes doorbell, chime, charging cable, screwdriver and manual. Compliant with EU safety standards and battery test reports. Stable performance, reliable after‑sales support and safe to use in European regions. Product Features: Intelligent visual doorbell Real time wake-up query at the entrance Magic voice changing High definition night vision Infrared human movement monitoring Automatically capture cloud storage Product Parameters: APP：X Smart Home Visual doorbell parameters: Resolution: VGA, 720 * 12801 million pixels Viewing angle: 90 degrees Night vision function: automatically switches to 850NM infrared fill light Effective distance of 2M, imaging in black and white Support network format: 2.4G band WI-FI Voice intercom: Bidirectional voice intercom with built-in echo cancellation Remote real-time: Real time mode supports remote real-time viewing and monitoring functions Motion detection: PIR sensing, motion capture Video and snapshot: triggered by ringing the bell, PIR triggered Distribution network method: Bluetooth distribution network Power supply mode: Two 18650 batteries, 3600MAH Working temperature: -20~45 ° C Charging power supply: DC5V1A, TYPEC interface Supported systems: 1OS11.4 and above/Android 5 and above versions Dingdong machine parameters: Power supply method: USB interface power supply Distribution network method: wireless distribution network Working temperature: -20~45 ° C Doorbell size: 136 * 72 * 35mm Dingdong machine size: 55 * 42 * 25mm Package Includes: 1 x Doorbell Machine 1 x Internal ding dong Machine 1 x Charging cable 1 x Installation tool 1 x Manual