Low Power & Compact: 0.8W standby, 3W max, 115x90x40mm housing for space-saving installation. Wide Voltage Input: 7-36V DC for compatibility with diverse power sources. High-Capacity Relays: 2-channel 30A relays, 100,000 cycles, for high-power equipment control. Temperature & DI Inputs with Linkage and Alarms: ABS Housing: IP30 (non-waterproof), operates in -20C to 75C for reliable performance. Easy Installation: 35mm DIN rail mounting or 4 screw holes for direct fixing, ideal for varied setups. Multilingual App: Supports English, French, Spanish, German, Arabic, Hebrew, Portuguese, Russian, Italian. Account Management: App enables account sharing and sub-account management. Smart Scheduling: Up to 24 timer tasks configurable via the app. Secure Operation: Features permission management, password protection, and phone verification. Power Supply: 7-36V DC Relay Output: 2-channel 30A, normally open/closed, AC 220V compatible Inputs: Communication: 4G (B1, B3, B5, B7, B8, B20;) Smart Control: Dial control: Supports up to 99 authorized numbers. SMS control: Unlimited users with correct password. App control: Unlimited users, supports up to 3000 devices with group management. Web interface: Flexible browser-based control. Power Consumption: Standby 0.8W, Max 3W Environmental Conditions: Operating: -20C to 75C Storage: -40C to 85C Humidity: 5%-95% RH (non-condensing) Notes:SIM Card: Requires 4G/2G SIM card (please the card has no PIN code). Color: Black Material: Metal+Plastic Package Contents: 1 x Controller 1 x Antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.