Dynamo AM/FM flashlight radio with siren and blinking light 30-60 minutes standby for approximately three minutes of winding 6V DC AA x four pieces (not included) Rechargeable batteries AA x two pieces (included) Without Solar, Superbright LED x 1 Dimensions (L x D x H): 223 x 88 x 148mm Registration number HK: 0111638.7 Patent number: 01357114.1 FCC, CE approval Logo printing services available Highly recommended as a gift or promotional item