Material: ABS Voltage: 4.5 – 6 V Working current: 100 mA Battery: LR44 (5 pieces) Alarm time: 40 minutes Light intensity: 80 lumens Size: approx. 2.36 x 1.57 x 0.59 inch Quantity: 5 pieces safety alarms Color: purple, blue, black, gold,silver Suitable range: people at all ages Warning notes: 1. The alarm sound is very loud, please do not put near your ears There MAY BE EXTRA CHARGES DEPENDING ON COUNTRY TO DELIVER (PLEASE EMAIL IF UNSURE AT 730.EDITOR@GMAIL.COM) PRODUCTS NON-REFUNDABLE BUT WILL BE LOOKED INTO CASE BY CASE SITUATION IF NEEDED