We are offering sharp sensor gp2y0a21.
Feature summary
operating voltage: 4.5 v to 5.5 v
average current consumption: 30 ma (typical)
distance measuring range: 10 cm to 80 cm (4" to 32")
output type: analog voltage
output voltage differential over distance range: 1.9 v (typical)
response time: 38 ± 10 ms
package size: 29.5×13.0×13.5 mm (1.16×0.5×0.53")
weight: 3.5 g (0.12 oz).