Item Type: Bike Wireless Lock_x000D_ Material: Plastic_x000D_ Color: As Picture Shown_x000D_ Weight: Approx. 105.0g/3.7oz_x000D_ Lock Battery: 6F22 9V 210mAh (not included)_x000D_ Remote Control Battery: Button Battery LR1130 95mAh (included) 1Rainproof and waterproof alarm lock can adapt to rainy weather, more durable and more useful. 2Wireless vibration alarm with infrared remote control, easy to operate and more efficient. 3The effective remote sensing distance and alarm terminal of more than 10m/32.8ft can be as long as 30m/98.4ft in open areas. 4Perfect to protect your bicycle and also helpful for other equippments, portable and lightweight. 5Made of high quality material that provides corrosion protection, wear resistance, and durability.1 x Alarm Lock 4 x Screw 2 x Nut 1 x Manual 1 xRemote Control 1 x Keychain