The white LED notepad lamp will help you to note down the message, telephone number or address in darkness. You can keep it near your telephone so that in night you can easily right the message. To switch on the light just press the switch S1 and it will on the light for specific interval of time and light will switch off again automatically. This circuit is potable; because of its small size you can easily put this in your pocket or purse and can be used in emergency like in power failure.This simple circuit is based on three transistors with few more components. Important feature of this circuit is in standby mode no transistor will conduct hence longer battery life.