Colorful anti-thef alarm
Lowest price but good quality.
wireless alarm, it is widely used for personal protecting.

Introduction for anti-theft alarm 

Wear the transmitter (smaller one) on the child or the protege, and wear the receiver on the parent or the owner. Set a distance by the wheel, when the child leaves the parent more than the set distance, the receiver will sound alarm and vibrate to remind the owner.

The working longest distance can reach 30-40 meters when there's no obstacle.

Distance is adjustable.

One-one matching, no interrupt between two units.

Frequency: 433.92MHZ.
Battery: 1XAAA for the keychain, 1xcr2032 for the transmitter.
Material: ABS Plastic, environmental, color is optional;
Dimensions for receiver: 6cm×3.6cm×1.5cm.
Dimensions for transmitter: 0.7cm(thickness)x2.4cm(diameter).
logo: silk print is for free.
DIY: all our receivers and transmitters are workable with each other, so you can arrange them in pairs by your self, choose one models receiver and another models transmitter is acceptable;
MOQ:1000pcs
Sample fee: one sample is for free if the buyer take the shipping cost;
Sample time:2-5 days
Delivery time:10-30days
Terms of payment: T/T, L/C, Western Union
Packing: Blister and card packing for normal package, you can choose other package style if you like;
Shipping : DHL UPS FEDEX TNT
Freely set the distance from 0-25 meters    
Transmitter current: 1mA    
Receiver current: 3mA    
Warning current: 70mA