The chime is ready to use out of the package
charging time is about 2 hours
so if you do not have multi-functional gateway
Bluetooth answer/call: support
The installation is simple and does not require complicated operations
2.0 inch Car Turbo Exhaust Downpipe Low carbon Stainless Steel Lap Joint Band Clamp Filter-Recording Pen The chime is ready to1. Strong acid and alkali resistance, high oxidation resistance, durable and easy to clean. 2. Precision machining with CNC lathe, bright surface, no burr, pressure resistance, high temperature resistance. 3. Thickened and widened stainless steel plate, international standard high strength stainless steel screws, large torque, no slack, can be repeatedly disassembled and installed. 4. A wide range of applications. 5. Material: stainless steel