... object finder,100 feet remote distance,beep & flash while calling,penetrate cusion/wall,etc wireless key finder,lost key ... object finder,100 feet remote distance,beep & flash while calling,penetrate cusion/wall,etc SPECIFICATIONS:•Whole Set Inlcudes:1pcs Remote ... area);•Receiver beeps & flashes in 2-5 seconds after calling Remote Transmitter button;•Just pressing Remote Transmitter button to trigger ...