1. Left hand control to solve the problem of small space on the right side can not fit, more hands-on to change the direction of the control switch2. Five minutes to install without removing the cover, tear off the back sticker and put on the flusher to connect the water pipe, you can complete the installationInstallation instructions:Installation preparation1. Remove the toilet cover2. Close the toilet inlet angle valve3. Rinse the toilet bowl clean4. Remove the hexagonal female end of the hose under the toilet tank5. Install the tee connection in the corner valve or tank inlet, connect the hose end to the tee connection and the other end to the bidet.6. Install the toilet bowl, wipe the toilet bowl clean and keep it clean and water-free before attaching it.Tip:Over-tightening the fitting and hose can damage the threads and lead to leaks, so hand-tighten first and then use a spanner to turn 1/4 tooth at a time, checking two or three times for leaks.