Communication mode: TTlock app Emergency power supply: Type-C USB Standby power consumption: less than 10 μA Bluetooth version: 4.0 Product name: Bluetooth Wi-Fi Gateway Power supply: DC 5V / 500mA Battery requirement: 4 x AAA batteries (not included) Operating voltage: 3V Color: Black Material: Plastic Package contents: 1 x TTlock Door Lock Code Switch Note: To use the keypad, verify in the TTlock app settings whether your lock supports the “wireless keypad” feature. Compatibility depends on lock model and app support. Please carefully confirm this item meets your requirements before purchase. Product design or color may vary slightly between batches due to manufacturing updates; such variations do not affect functionality. Lighting conditions and screen settings may cause slight color differences between images and the actual product. Measurement tolerance: ±1–3 cm.