Solar-powered : With 5W solar panel built in battery slot.Can accommodate up to 4 18650 batteries Solar Powered & GNSS Ready:Features solar charging interface and GNSS port. Ultra-low 20μA power consumption. Optimized battery management. Ideal for outdoor Heltec V4 deployments with GPStracking capability & LoRa Combo:Heltec V4 features & SX1262 with 28dBm LoRa power. Supports WiFi/BLE5 and 16MB Ideal for Meshtastic and long-range IoT applications. Enhanced performance for professional developers No chargers, outlets, or hassle, this solar-powered Meshtastic node ensures reliable off-grid communication whenever you need it 360°Adjustable Bracket:360° adjustable mounting bracket the angel of maximal sunlight exposure, You can mount the solar panel anywhere, Then get plenty of sunshine and Keep your Solar Panel with direct sunligh