Male Bed Wetting Alarm Opthalmoscope Sets 25 * Threaded stem casters: 67440000 25 * Threaded stem casters: rustproof 4 inch twin * Depth of seat: 20 inches * Total depth with footrest: 54 25 1175 mm Legs Open Internal Width 42 MALE ALARM WITH PADS * Compact moisture sensitive training device for bedwetters * Small plastic alarm box attaches to shoulder area of the bedwetters pajama or t shirt with velcro attachment close to the ear * Nonabsorbent anatomically designed sensor pad is worn over the genitals and held in place with a pair of snug fitting shorts or panties * Plastic box contains miniaturized electronic alarm and a 9V battery * Alarm box generates a highly alerting warbling sound assuring quicker response to the alarm by the bedwetter * Alarm box has built in dual volume control switch for high tone or low tone Only alarm available with volume control switch * Unique moisture sensing pad is activated by only 1 or 2 drops of urine