App Support: Free iOS and Android mobile app — Tuya Smart / Smart Life. Sync Status: Provides real-time device status to the app. Real-time Monitoring: Monitor real-time temperature and humidity. Shared Control: Share control with family members. Remote On/Off: Turn electrical devices on or off remotely using high-precision sensors. Scheduling: Supports up to 8 countdown, one-time, or repeat scheduled tasks for on/off control at specified times. Auto Mode: Set devices to turn on/off automatically based on temperature thresholds. Manual Mode: Turn devices on/off instantly. Smart Scene Trigger: Use temperature values as a trigger condition to control other Tuya Smart devices. Voice Control: Compatible with Amazon Alexa, Google Assistant, and Yandex Alice. Waterproof Temperature Sensor: Features a stainless steel probe for high accuracy; suitable for everyday use. Specifications: - Input A: 7–32 V DC - Input B: 85–250 V AC - Color: White - Material: Plastic Package Contents: - 1 × Tuya Smart WiFi 4-Channel Relay (85–250 V input) Note: The actual product color may vary slightly due to lighting and screen differences. Measurement tolerance: ±1–3 cm.