it contents project kit, does not have any type of battery
10 cm x 5 cm x 3 cm
Simple DC Motor Speed Controller using Variable Resistor || DC Fan speed controller School Project, DIY Kit
Country Of Origin
Destiny Research and Electronic Training PVt. Ltd - 10 Civil Line, Sagar, Madhya Pradesh-470002
7 Days Free Return or Replacement - This item is eligible for free replacement/return within 7 days of delivery in an unlikely event of the delivered item being damaged/defective or different from what you had ordered. Cancellation Allowed.