... reminder promotion gift,Hand touch chime,knob hung reminder, Knob/handle/door Reminding Chime concept product* Your reliable wireless electronic products ... to post the letter", or "Ask the children to take umbrella", or "The car is running out of oil" , whatever you ... before going go out once the host touches the handrail/handle to the door.Fifth, Package:1) Carton size:58*47 ...