Door alarm with time delay

Do you sometimes forget to close a door or a window? This door alarm module sounds an alarm if a door is open more than the preset time. The time can be set from 10-160s, and the sound of the buzzer is adjustable.
Comes with magnet conatcts which can be mounted on the door.

Voltage supply: 9-12VDC
Power consumption: 1.9uA (standby), 60mA (active) at 9V
Dimensions: 72mm x 47mm