... , 170g,190g,210,230g,250g,300g. Envelope, 80g.100g.120g... Print: 4/4,4/0, UV· Activated: by push, pull-tab ... : pre-recorded or recordable, with LED flash (optional)· Messages: voice, music, and sound, customized sounds are available· Recording duration: 5 seconds ... less for different items· Power: 3 x AG10 button cells music greeting card