Overview: Power supply: 1 AAA battery for receiver (not included), 3V CR2032 for transmitter (included). Working distance: 1 to 25m adjusable
Materials: ABSFrequency: 433.92 M Hz, alarm output 80d B Anti-Lost alarm consists of Transmitter amp; Receiver with 2 selective function. Anti-Lost function: Connect the transmitter on valuable things (Such as Mobile Phone, Purse, Laptop, Camera or even your baby amp; pets, etc.). Receiver switch to Anti-Lost & set up the reception range from 0~25M: May vary due to obstacle. Searching function: When the item got missing, simply switch the receiver to Searching & the Alarm on transmitter will turn "ON" & you can find the item easily. Functions summary: Anti-Lost Function Environmental Protection Function (No Radiation) Searching Function Alarm with Vibrating Small in size & Portable Specification:
Size: 5.9 x 3.5 x 1.4cm Netweight: