Made of Metal iron material, durable.Large capacity provide enough space for you to feed your bird.Adopt solar panel,charging 6h at day can work at night for 6-8h.With LED light, energy saving.Hanging deisgn, can be hung on the hook or tree indoor outdoor.Specification:Material: ironSize: approx. 19 x 19.5 cm/7.48 x 7.68 inchPower: 0.1WVoltage: 1.2VLong life: 20000 hPackage Included:Bird feeder*1If you have any questions about the product, please contact me, we will contact you within 24 hours and give you a satisfactory answer.Make your garden more interesting.