1. Fully automatic active intercom, visual cat eye APP model, semiconductor fingerprint head 2. High-performance motherboard chip, 4200 mAh lithium battery 3.C-level lock cylinder, anti-technical violent unlocking, anti-small black box unlocking 4.4.5-inch high-definition IPS screen + 1 million pixel lens, active intercom, real-time monitoring and remote unlocking 5. Outdoor USB emergency power supply + mechanical key, indoor quick-open escape function, double safety protection 6. Unlocking methods: fingerprint, password, key, card, WeChat, APP remote 7. Material: Aluminum alloy fingerprint-free powder coating + tempered glass panel, size: 420*75*35mm
