How to block on different height ? 1.Take out hook 2.Pull down the strap rope perpendicularly to the ground on desired height, if it is has not block, do not immediately let go. 3.Pull out 1-3cm to block it with slowest speed ( suggest 10mm/s ), please make sure the goods weight is not less than 1.2kg or not exceed 15kg. 4.To higher, hold the plant pot bottle slowly up to the length you like and release. To lower, hold the plant pot bottle up a little then let the plant weight helps fall down. Specifications: Type: Plant hanger Material: plastic with nylon rope Size: Approx. 7.6 * 3.5 * 20cm / 3.0 * 1.38 * 7.9 in Max weight: 15kg Retractable Length: Approx. 20-90cm / 7.87-35.43in Suit for:garden baskets pots and birds feeder Note: 1.Please dont hang too light or too heavy goods, make sure between 1.2kg to 15kg. 2.Please ensure the hanging hook is vertically down(if not it will not work). 3.Please allow 1-2cm errors due to manual measurement as the manual measurement. 4.The plant hanging holder is mainly design for indoor hanging but not suit for in the wind outdoor.