DH-VTO6521K With 10 cards

> 4.3-inch LCD display with easy-to-press metal buttons; screen resolution 800 × 480.

> 2MP CMOS; true WDR.

> 316 stainless steel panel; IP65, IK08.

> Operating temperature: –30 °C to +60 °C.

> Auto light illumination reduces light pollution.

> Multiple verification methods: Password, IC card, QR code, and remote unlocking.

> Support 20,000 users and 10,000 cards.

> Support full duplex; management platform, and voice call through APP.

> Support SIP server.

> Support duress alarm, tamper alarm, and door sensor timeout alarm.